Former Account is Mysteriously Deleted

I have been a Redditor since 2016. I logged into Reddit using Google one day, and to my surprise, I had to set up a new account. I checked all my devices and it has been logged out. The account in question is u/peppermint_gadget. Based on the threads I found, there's a low chance I'll ever get it back.

It's just odd that it has been deleted without my knowledge. Even if I cannot get my account back, I would still like to know what exactly happened to it. Upon checking my email, I have an unread message about an account password reset a week ago. I wonder if it had something to do with that. I do hope nothing else got compromised.

I still send a support ticket and waiting for them to get back to me.