The Eagles manager kept his players in the changing room after the match for a dressing down after they had chased shadows from the outset.
Michu's strike after 80 seconds was followed by a Nathan Dyer effort moments into the second half and it could - and should - have been a much larger margin of victory for Swansea.
"I am absolutely gutted," he said. "If you had seen the work we did, what we talked about and how sharp we were, I was excited then it all faded away in about one minute 30 seconds, didn't it?
"The changes I chose or had to make with the new lads coming in and it looked like they were strangers.
"With the greatest respect, that is as bad I ever want to feel sat here. I didn't enjoy any minute.
"It was my fault not being on the line with them, for losing my temper against Tottenham. I felt estranged and out of it and they have to feel the manager is with them, so please blame me.
"I needed to be there for this and they'd have felt a little bit more confident, we would have got a little tighter to things.
"When the manager is there it is a little bit different so I would rather blame myself."