I can certainly relate to this. A couple of years ago I lost my access to my Google account because it was hacked and someone was trying to get into it. In the process of trying to change my password, I was locked out, and nothing I could do, following their recovery procedure to the letter, would fix it. I too lost access to Gmail and other services, so I couldn't even send email to the company.

I spent about two months trying to recover my account, but there is absolutely no way to talk to a real human at Google. Their customer service is almost non-existent. If you get locked into Google, you are at the mercy of algorithms and whatever errors their web programmers made.

I eventually researched who were the top executives, such as Sergei Brin, and sent about 7 personal hand written pleas for help to all of them through snail mail. I never received a reply from any of them. Some time after that I repeated my attempts at recovery, and the only thing that helped is that I found the password I originally used when I first signed up for gmail many years ago.

One thing I have learned is not to trust the cloud, either with Google Drive, Microsoft's One Drive, or any other service. I bought an 8 TB hard drive, and i keep all documents, photos, and music on hard drives and backed up on this drive. Also, if you use Google passwords, back them up with either another password app like Dashlane, or do the old tried and true method of writing them down in a log.