I prefer to avoid all-ins, unless my stack warrants it.
If I want to have a go at the bingo jockey, I am patient and pick my spot. If I get it in heads-up and lose with a better hand, oh well, next.
If multiple people have already shoved their chips into the middle, I can fold AA. I won't always, but have. In freerolls, I'd usually take the chance with those
odds.
They will either knock themselves out or become the big stack bully at your table.
Stick to your game plan and don't let this get to you.
Keep cool, calm and collected and play poker.