I'm interested in who set Max up in his station, and why.

The Editor implied that it was his consortium of banks etc.

'You can't rewrite history - not one line', and the series has stuck by that more often than not

Yes, although there's this muddy idea of what is the present, future and past. If you take the view that all of time is someone's history, you could never change anything, surely?

There's a line in next week's episode

Oi! Spoiler boy! :-P