Stop raising money. Each time you do that you increase the pressure on the site to make more money to earn the valuation. If the company is valued at $6B today then it probably needs to get to at least $18B valuation in two years. How? By trying to extract even more money from the users.
Are they selling an ad free experience yet?
I'm sure they'll shut down the APIs allowing third party clients (like Apollo) soon, like Twitter did.