Quite literally in the case of former Apple CEO John Sculley.
I don't know where the threshold ought to be, but beyond a certain size a pile of money can only indicate bad things about its owner. Either they're too unimaginative to turn that potential into action, or their designs are so against the will of the people that it's going to take gargantuan amounts of coercion to get them done. Either way, a billionaire is an individual of dubious merit.
Either these investments are not paying off, or they are and the investors have a very dark vision for us. Neither reflects very well on the investor.
You seem to have a very narrow view of the range of products that exist. Are you basically just talking about smartphones?
Beyond a certain point, supposing that your investments continue to yield monetary returns at the cost of making others tolerate worse outcomes, it's just an indicator that you're a junkie.
This sounds like the "poverty is a moral failing" argument in reverse. See eg https://unherd.com/2017/08/remembering-time-poverty-often-bl...