19:00, day 4, still broke
The login button now just takes you to the service status rather than even letting you attempt to log in. Even the TSB home page is throwing the occasional internal server error now, but that's probably down to it getting swamped.
A point of no return? I guess in the worst case there has to be one sometime, where they just say sorry we have no realistic hope of getting things up to date again, here's the address of the FSCS.