Hezbollah is not trying to set up a front against Israel from Syria, Hezbollah entered Syria under pretext of protecting Lebanon from Nusra Front at the time of the interventon. They initially wanted to secure Al Qusayr, then they began advisory and command role for SAA ground forces in offensives against rebels.
Hezbollah did train along with others in Syria and it is their geographical lifeline, so they need to dedicate resources to keep Assad regime in power. There is no proof they plan to use Syria as front for war against Israel, and they do not have permission from Russia and Assad. They also have no intent to do so and do not have funds/manpower for said adventure.
Israel did not do anything to topple Assad gov't, they could have lobbied US to target Assad early on during the protests. Here are Israeli officials making admission of wanting Assad to remain in power but they don't mind if Hezbollah depletes some of its resources in the process:
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A weakened Bashar Assad is preferable for Syria and the whole region to a takeover by rebel forces increasingly ruled by Islamic extremists, Israeli officials reportedly said overnight Friday-Saturday.
“Better the devil we know than the demons we can only imagine if Syria falls into chaos and the extremists from across the Arab world gain a foothold there,” one senior intelligence officer told the London-based Times.
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https://www.timesofisrael.com/israel-prefers-assad-to-islamist-rebels/
What that has to do with what I said? I am saying like you Iran looking to consolidate its interests in Arab world and the narrative pushed here about Israeli-Iranian holy/cold war is misleading. What I don't get is why members here try telling otherwise.
I tell it as it is and don't push misleading narratives. I'm well aware Arab world has deep rooted problems and incompetent leadership and talk about this all the time. Difference is I don't try to hide any of this. I also criticize others in region where they deserve it.