It's hilarious and probably terrible for society that you can sell your company but still control it. The most powerful companies become even less accountable to anyone. If you buy a share in an active business, sure the amount of control that share represents was factored into the share price. But it is still slightly absurd that these companies with zero accountability are allowed to be traded on public markets.
Here's a pretty detailed argument against dual-class shares from the UPenn law review: https://scholarship.law.upenn.edu/cgi/viewcontent.cgi?articl...