The last few...what to do...

I am seeing final tables now and get so wrapped up in surviving the tourney that when it is down to the last 6 or so people , they start playing a bingo game. Why is that and what is a good strategy at this stage?

Most tutorial videos say position position and pressure 3 bet shoving all your suited broadway hands from blinds v cut off and Btn raises

If u made it to the last 6, this is usually where the big money payout jumps start appearing. Everyone at the table know this, so they use this to put pressure on other opponents. Also, some are already happy they've made it this far, and dont care as much for making an ever bigger profit. If u see a lot of bingo players at the final table, this is actually good news for you. Your opponents will go out of the tournament faster, gaining you a few extra money jumps. If everyone is gambling, your best bet here is to play super tight.
Good luck!

It may look like bingoplay, while maybe it's just proper shortstack play.
Stacksizes, although important from the start, become even more significant when reaching the final stage of a tournament.
Also very important is to figure out which players are passive, trying to get another payjump and which players are agressively playing for first place.

Bingo play at the final table is the best thing you could ask for! Let them knock each other out while you move up $$.

Play tight was great idea! Let's check to big pairs or big suited cards to move all-in and also wait for these gamblers to out from tournament and also you can get better money!