Directly Pre and Post bubblemay be the most difficult position for players to learn to play. Many like to tighten up pre and go loose/crazy post bubble, which you saw. How you play in these positions depend on what you are trying to do.

Some people play to cash. The connotation since Doyle wrote SuperSystem is that this is bad. It is not. If you are looking to build a bankroll so you can slowly grow, this is not necessarily bad strategy, and the folding of the AK and JJ is solid play. The super tight play is fine for this, and you can build a bankroll more consistently this way.

I do agree with Doyle though, I ALWAYS play to win. You can't pay me to fold AK on the bubble. Yes, I may bust, but Ill take a coinflip there to go after some big pays. And even more so with the JJ, my money is in the pot BEFORE its my turn, Im in such a hurry to get it in there. You are already in the money, it is time to go for the win.

But, it all depends on your mindset and goal in the tournament on what you do.