I don’t understand why some people get so confused either. It’s just like choosing an e-mail provider.
Create the account, try it out, if you don’t like it, delete it. If you do like it, keep it. How hard can this be? Then again, it apparently is.
The client apps might help out by including an account creation wizard.
What will Apple do if they if the EU continues their plans with regard to client side scanning? That’s not one country, but many.
Apple previously planned on introducing client side scanning, but backed out after they received a high amount of critique.