Terrible Service In General

So I recently redownloaded Star Wars battlefront 2 loaded it up to a password being expired due to being logged off so long come to the realization I don’t have that email or phone number from 2017 but I have the same account fully updated etc (I just don’t play a lot EA Play) I have been drastically trying to get my Old EA account unlinked from my Xbox account because it’s a once a lifetime link and I can’t play or link a new EA! I have had Microsoft tell me they couldn’t unlink but provide any assistance with my account so I’m chatting with an EA support member whilst on the phone with Microsoft these answers are from the Source of my account and it’s entirety, only to be told they couldn’t match my indentity with their systems which is going off of 2017-2018 information with no updates since then. Terrible Experience Full Loss of a game I paid for due to this and the support person was just so unhelpful but I guess ima have to make a Smurf account to enjoy ma game smh. I can play on pc and I do but this game isn’t cross play with Xbox/PS so solo runs yaaaay