Interestingly, as ChatGPT might be trained on these ELI5 questions and as a result they are asked more infrequently, it might get worse over time or out of date on these types of questions by its own doing. I especially wonder how bad this influence will get on subjects that you'd normally search stackoverflow for.
If what the first commenter said is true. They will just implement RCS or an alternative in the EU and make up some reason why they can't or won't for the US market.