Does this not hurt their future ability to invest in big name up-and-coming companies? If I'm the next facebook or twitter, these kind of shady practices would

Does this not hurt their future ability to invest in big name up-and-coming companies? If I'm the next facebook or twitter, these kind of shady practices would make me think twice about handing over a large share of my company to them. Can they only get away with it because their competitors engage in the same behaviour?