Good news! There's a Twitter alternative that's open source and practically requires you to look under the hood: Mastodon.
In the general case I agree with your sentiment and this is why I believe open source and self hosted alternatives are important, because they are the escape hatch from all the problems inherent in corporate platforms.
In the general case I agree with your sentiment and this is why I believe open source and self hosted alternatives are important, because they are the escape hatch from all the problems inherent in corporate platforms.