Which political parties is KSA supporting outside of KSA? Which proxies do KSA control? Please name them. As I wrote KSA tends to support communities irrespective of policies. Only in Lebanon is there some sort of political alliance but it is loose and not based on whatever political groups that local Sunni Lebanese have created or Christian Lebanese.
Being involved is something totally normal for a county the size of KSA with its significant economic, military, cultural, historical, religious etc. clout aside from it currently being the strongest Arab country and a country that many Arabs look up to an expect a lot from.
We need to distinguish between positive and negative influence. What Qatar has been doing is not a positive thing by large. Whether within the GCC context or outside of it.
You are not interested in that but nevertheless it is a key element in why relations have stalled and why such drastic steps were taken not only by KSA but numerous Arab countries. If you do not know about the background story it is rather pointless to discuss the dispute as you will only look at this from an uniformed point of view to a large degree.
It matters because it is contrary to the spirit of the GCC and not needed at all. As I see it the current Turkish (under Erdogan) foreign policy in the Arab world is not aligned with that of most Arab countries and to an extent it can be considered as a potential threat. I am not a fan of some of his braindead supporters Neo-Ottoman ambitions. We have a few on PDF that I have slapped a few times.
No, Egypt has no military base in KSA nor Pakistan and never had. There are no Egyptian soldiers in KSA. Neither Pakistani's aside from a very small number of retired officers who are used to train soldiers which is done by numerous peoples and done routinely during military drills with Western, non-Western, Muslim and Arab nations.
https://qatarileaks.com/en
https://qatarileaks.com/ar
https://qatarileaks.com/en/leak/why-boycotting-qatar-is-reasonable
Plenty of exposure in this Twitter account which is updated several times daily;
https://twitter.com/qatarileaks?lang=da
As for specific individuals, here is one example;
1) In a perfect world UAE would have no economic/business dealings with Iran as long as Iran is ruled by the Wilayat al-Faqih Mullah's. However you need to see the positives in the negatives and in this case UAE-Iran trade is HUGELY in favor of UAE.
BTW trade is trade. Even KSA and Iran traded not long ago and probably still do it. This is not the point here. What Qatar has done is not comparable. For instance they signed a deal allowing Iranian military presence in Qatar some time ago. That was before June 2017. That is totally unacceptable for instance.
Depends which Arab forums. There is bias everywhere it all depends on your views.
That's not my impression. I have seen numerous Arabs from Morocco to Yemen hail the reforms that MbS is trying to achieve and have achieved already and other visions of his. Certainly I can't think of a more popular Arab leader currently. Of course each Arab leader, their own people, will mostly be familiar with their own leaders but there are Arab countries such as KSA, Egypt, Iraq etc. where other Arabs will voice their opinions always.
BTW honestly it does not matter what Arabs outside of KSA or even within the GCC think about MbS. To me at least. Nobody can deny KSA's rise in recent years and success on numerous fronts compared to regional, Muslim, developing and Arab countries and obviously locals would want that trend to continue and increase.
First of all princes were in the minority when that anti-corruption purge was made. Secondly this anti-corruption purge has been in the making for years. Thirdly a few have already been released after proving their innocence. Fourthly MbS is the state or soon to be the state. In the sense that he is the figurehead. So it is his job to combat corruption. He has enough of money at his disposable privately so he does not need the money of domestic billionaires. If he wanted to become a billionaire he would have a great head-start but he chose another path which is to serve the country from a very young age and working tiredly. He has done a tremendous job so far inside KSA hence his big popularity.