> he did destroy several political dynasties by now: Romneys, Clintons, Bushes, some argue even Obama's minions are dead in the water
This isn’t vindictive, though. In some cases it was straight-up competition.
> If Zuck insufficiently bends the knee, that's what's going to happen
This is transactional, possibly corruptly so. But it’s not really revenge as much as exerting control. If there were nothing Zuckerberg could reasonably do to avoid Trump’s wrath on account of what Zuck did in 2020, that would be vindictiveness.