Yeah, he's the owner of the company, legally he can do it. Doesn't make it any less unethical and poor taste.
> We may suspend or terminate your account or cease providing you with all or part of the Services at any time for any or no reason
And, yeah, "a verbal promise is worth the paper it's written on" (that is, none). And this wasn't even a verbal promise. Still, I maintain that the expectation really exists, and that companies like exTwitter are perfectly well aware that it exists. That's why doing this is a jerk move.
> it usually seems equivalent to “mean”.
Isn't it possible that being "mean" is against their ethical code?
Lets say I tip 0% instead of the expected 15% for normal service at a restaurant, would that be considered unethical? I expect generally Americans would consider it a dick move. Is anything that could be possibly construed as negative be considered unethical?
Can you please tell me what those universal objective set of ethics are first?
And following that, how this is unethical