The arguments in support of tick-tock are a bizarre amalgamation of just about every category of bad faith argument. I haven't seen one that suggests tick-tock it's actually a net benefit.
That's a much better argument than what's presented in this meme. There's at least an argument to claim that the difference is about curtailing foreign interest through ownership. Ownership does heavily influence a platform. Unfortunately that hasn't prevented Murdock from owning more formal messaging platforms.
On a side note, how do you feel about a handful of corporations controlling and censoring the Internet?
Whataboutism means nothing at this point. Risk analysis? Whataboutism. Considering consequences? Whataboutism.
"Informal" means it's not actually a fallacy. Prooooobably because people use it way outside of its definition to dismiss arguments they don't like because they have not thought through whatever they are arguing about.