Owning voting shares is quite different from being independent. Investors had plenty of influence on those companies regardless of the founders setting up dual class shares.
If you think a startup with investors operates the same way as one without, and that it can be independent the same way, I'm not sure what to say.
If you think a startup with investors operates the same way as one without, and that it can be independent the same way, I'm not sure what to say.