Jokes aside, human doctors won't be replaced in foreseeable future, but many people will screw up their lives because non-human gave them the diagnosis (to read, or ai, or webpage), and be late for receiving the appropriate medications.
Think Theranos, but with far greater potential (because there are no physical tests here, it's just text, so the reach is greater) to screw people to not seek the correct help, in a timely manner.
If anything, there should be law outlawing websites like this.