I use an Apple ID, of course. I need it to download stuff from the store. But I don't buy apps or music with it. If it gets banned I just create another; no harm done, no money or data lost. (Luckily that hasn't happened yet). You can do the same with Android.

>Now you want me to sign up with Microsoft. What's the logic in Microsoft? They never ban anyone? Nobody ever loses their account/email from Microsoft?

You seem to miss the entire point of this conversation.

All companies can ban you for no reason. Therefore you have to spread your data as widely as you can so that when it happens, you lose as little data as possible.

You don't need to increase your "support budget" for using more services. Keeping your mail in GMX instead of Gmail won't take you any more time.