When I see a DM being a "fan" of the Players, I see most DM alter the game reality in the players favor. The DM wants the players to have easy no effort fun, the DM wants the players to feel cool with no effort, and wants the players to "win the game".Personally, I don't think the DM should be a fan* of the characters and at the same time don't think the DM should be a fan of their opponents either. The DM instead should be neutral, as should any referee.
* - where "fan" means active cheering supporter of, as would be a fan of a sports team or an entertainer.
This is exactly what this group is made for: they just stumble, bumble, trip and laugh their way around doing nothing. And that is where the DM Fan, what I call the Buddy DM, steps in to make everything right.
Right, I only have the DMs notes on this part of the adventure. I don't even have the adventure. But notes are never complete. And I don't know the players at all.OK, this is a hugely important piece of information here: the players - or one of them, anyway - shot first.
This is another key piece of info: there was a scripted escape already in place.
I'm starting to think the players - intentionally or otherwise - kinda messed up on this, and made a bed for themselves they'd later have to lay in. Fair enough. Run with it. But run with it at least somewhat logically, an umbrella under which teleporting in jumped-up alt-clones of the PCs to smack them down very much does not fall.
I'm sure if their DM was running it, he would have "plot armored" the plot so the players would not mess it up. I know the DM would have stopped the warlock player with a "Wait, Bob, you don't want to kill the helper guard guy. He is going to lead you guys out of the jail, yuck yuck". And then Player Bob would say "Oh, ok, thanks Buddy DM. My warlock does NOT kill the guard guy...yuck yuck yuck". I'm sure this sort of thing would happen every couple of minutes during their game.
And it's not like the DMs notes had 'side notes' saying 'don't forget to make sure the crazy, murderhobo players don't kill the guard guy'.
And I'm not a Buddy DM.