Elon Musk got me to stop using Twitter.
What? They're greedy humans who are doing things that have terrible consequences out of selfishness, not mustache twirling cartoon villains out to destroy the world for destruction's sake. I'm sure every single billionaire in the world has done something good at some point.
All have turned aside; together they have become worthless; no one does good, not even one. Romans 3:12
You're right. There's no billionaire who has done good. But there's also no human who has done good either.
Some sort of weird combination of "God and anime at my side" fundie weeb for that one, complete with a special level of pop nihilistic misanthropy that probably has Supply Side Jesus characteristics 
Mark Cuban is a bit of a wall street asshole, but he’s created a drug company to slash the prices of generic drugs for Americans
Elon Musk. Without him, electric cars wouldn't be the almost-mainstream thing they are today. We also would be a decade behind on space launch.
(WTF does "space launch" mean to that bazinga? Space was launched into generations ago. Unless this is some techbro hopium singularity babbling about THE MISSION (tm) which will be forever vague because it's just tweets from 
showing boomer highways on Mars)
Biggest EV manufacturer is still BYD
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I've got some bad news for you about Tesla
Chinese cars are pretty nice, actually. You should see them in person.
Yeah good thing there are no QC issues with Teslas or tax credits from the government for purchasing them.
I mean, it would be illegal for me to import a Chinese car to the US without importing enough for the NHTSA to destroy a bunch in testing, and also pay for all of the tests. Pretty cool how they keep out the competition like that.