i easily opened an account with Kasikorn last month after my bkk bank account was locked and i decided i need a backup since bkk bank has been so unreliable (for other things as well). Took half an hour.
who knows, they won’t tell me without going to that branch, many hours away. But i did proactively show my ID and visa 3 months ago to no avail. It’s on them, not me.