"Whataboutism or whataboutery (as in 'what about…?') is a variant of the tu quoque logical fallacy, which attempts to discredit an opponent's position by charging hypocrisy without directly refuting or disproving the argument." [1]
It's a logical fallacy (a form of ad hominem [2]) that doesn't do anything productive in re: the topic at hand.
In what way does 'oh you hate crypto? what about airplanes?' add something valuable to this conversation? I'd rather have something concrete I can point to explaining my sentiment rather than simply being rude about it.
People complaining about cryptocurrency rarely have internally consistent values, instead they’re just chasing the flavor of the month to virtue signal.
It would be fallacious to suggest that someone is wrong because of this, but it works as a standalone observation.
It's a logical fallacy (a form of ad hominem [2]) that doesn't do anything productive in re: the topic at hand.
[1] https://en.wikipedia.org/wiki/Whataboutism
[2] https://en.wikipedia.org/wiki/Tu_quoque