Twitter's changing their policy to share device level data, and people are changing to another service that doesn't currently do that. What's to prevent Twitte

Twitter's changing their policy to share device level data, and people are changing to another service that doesn't currently do that. What's to prevent Twitter from sharing data from the last 5 years with the government who may prosecute a Thai for saying something disparaging about the king? Or with an NGO who decides to make life difficult for people they disagree with?