Account Merging

Are you referring to merging 2 different EA Accounts?

If so, that would certainly be nice, but it would bring with a lot of issues as a whole.

There are many games associated with EA Accounts, all of which have to be accounted for with nearly no data loss when merging accounts. For Apex this was already a problem when rolling out Cross Progression, a certain amount of data was lost, the question will be how this will affect other games and how those will be compatible.

And what if someone has their account hacked, and the ones who hacked it, decides to merge it with another account?
Usually such actions would be non-reversible, so it could mess up accounts a lot if they were to do something like that.

Of course those are more technical aspects, that's up to them to look into. I'm certainly with you though, it would be nice to have it, but with all those kind of issues, I think it's not something they're likely to spend time looking into anytime soon.