They should tariff Israel a lot more

Maybe, but threatening your customers who are buying your exported goods doesn’t seem like a good strategy, and US-based corporations already dominate in the US, so it’s not like they’re helping the US become more powerful unless they’re preparing for WW3.

Domestically, this is what will happen, but those corporations are also multinationals and get a large amount of money from doing business outside the US. What Trump is doing with the sort of threats he’s making to US allies is causing their reputation to plummet abroad along with their revenue. This can only go so far before competitors from EU and China take their spot and they lose all international relevance. Additionally, the tariffs will put them at a disadvantage in the global market compared to corporations outside the US which is further contributing to their loss in revenue. So if Trump’s main interest was in helping those corporations, I doubt he would be doing this.

“The corporations own the government” made sense for a while, but Trump has done enough to hurt said corporations lately that I’m actually starting to question that idea (it’s definitely true for the majority of Democrats though). The only real reason I can think of where it would make sense to do stuff like this is to cause a crisis making it easier to abuse power later on.