In a way you can achieve that. Microsoft and google, they don't know who exactly you are, they just treat you as a behavior pattern, not a human. So they don't

In a way you can achieve that. Microsoft and google, they don't know who exactly you are, they just treat you as a behavior pattern, not a human. So they don't know you personally. You're good. If you talk to anyone, the other person will know what you texted them and who you are, so it's not anonymous already.