The website you have shared is scam website that accept anyone credentials without validation; here's my fake data, try it out with fake data.
the site you are visiting may be a SCAM.
Yeah but how OP was able to log in with their old account? It seems fishy, right? I think either the database has been compromised or sold by bitblender. Or the log in page is to create impression (so, anyone with any username password will be redirected to the next page. Strange.
In my little investigation they haven't done anything with users details from their database but this scammer just fake this to get potential victims fall for this cheapest scam ever LOL, i tried login with fake profile and my data went through without any hindrance: what a cheapest scam ever this dude is.....get a good job and if you can't get one get a blow type dude lol.