I don’t care about any sectarian and religious angle. Pakistan’s enemy is someone we need to crush. Iran has been hurting us for years. We need to bring down hell on these guys. There is no difference between Iran and Talibans . They are both our enemy:
Bhai saheb.
With all due respects it is easy to sit in Canada in the cool comfort of your room and pontificate about raining hell on Iran. Your enemies want you to do just that so they can laugh till they drop and point how stupid the Pakistanis are.
You have anywhere between 15-20% shia population. Most of them would be young and full of energy and without jobs. The frustration of this situation can lead people to do stupid things.
Secondly Iran is not some shitty country like Guetemala or Sierra Leone( no disrespect to either of them- just to emphasise size and military power). It may currently be down but uses its ideological clout and money gained from selling crude oil to very good effect.
Its population is still very actively Pro Iran while not necessarily being Pro Ayatullah. However the Shia belief is whatever the Ayatullah decrees is sacrosanct.
It also has a good base for armaments (although mostly outdated) production. It has a long history of supporting factions in other countries for furthering its own goals. We have seen this in Syria, Lebanon and previously the Northern alliance of Afghanistan.
Its secret services used to be the best in the region. Now down they are possibly still retaining their structure.
Pakistan on the other hand is-economically nearing bankruptcy, fractionated into Sects and regions and devoid of strong sense of belonging in its populace. On your Eastern front is the second largest power in SE Asia after China with whom you have had major skirmishes not to mention 3 major wars. To your West are the Afghans who on account of lack of central control,infrastructure, will and money are unable to control its peripheries very well. This results in skirmishes with Pakistan. They want to reopen the old routes which were their main earnings via-smuggling of all sorts. This includes left over arms and drugs amongst other things. When there is money to-be made the Pakistanis will not be far behind and the Pushtuns have families and tribes across the border. Currently you are barely controlling the onslaught by fencing most of the border and hopefully we would have fenced the last 20 odd KMS to gain some sort of control over them. However you also have to supply food to them so they dont overrun the border or create mass migration which would put pressure on Pakistan which it will not be-able to bear.
On the other hand, you have fenced all but 560Kms of the 1300km border between Iran and Pak at great personal cost-in money qnd lives
The hornets nest on its own might not be a bad thing to have but stirring a hornets nest will never be a good idea. This is exactly what you will do if you take aggressive posturing/action against Iran.
The continuation of this policy requires you to keep talking to Iran while continuing to fence the vast gaping hole in the fencing. Once you have completed the fencing the source for all-the mischief will be reduced drastically and you can control-the rest. It would be extremely nonsensical to open up another front in the presence of other options which would be more logical financially less honorous and can be achievable.
I dont know what you want to do-by invading Iran? You would need to create a narrative which would hold in the eyes of international community. Even if you were successful what are your objectives and how will you achieve them. It just needs the Irani government to say "we have no control over the Irani Baluchistan but we support your stance in principle" for all your aggression and the consequent loss of lives to look useless. Add to that the unrest in house the Rising Baluchi-Insurgency the Afghans trying to profit from it and in consequence an unstable Western border and then you-have just (proverbially) shat on the achievements of the last 20 years.
A