You want that behavior. All forms of poker are about capitalizing on opponents mistakes and those type of players make a lot of them. What gets frustrating is when you're expecting to get a decent game out of folks but they can't play and recognize they can't play so they do that "Kill Phil" nonsense.
Best thing you can do is play against folks that can actually play a solid game where you have to judge a flop and can grow your game. I'm not really playing this week because I've been playing the bots or studying the game since I know its a better way to spend my time this week.
If you're in a tourn and have to play those players you should wait for a solid upper pair (not a baby pair thats easily out drawn with any 2 random cards) and go after them, stay away from the drawing hands like Ak, Aq etc unless the donk gives an opportunity to see a flop but not like an all in situation.
If you see someone playing that way like I saw in yesterday's Cardchat freeroll at ACR that's what you want to do. You're going to be a 55/45 fav if you have two over cards with a AK, AQ example but last night's winner kept taking those
odds with the 45% and won, You need to get the odds more in your favor with a solid pair and even then they still might outdraw you hitting some donk 2 pair but again, you want to get the odds more in your favor instead of doing coin flips and especially against those players that have you covered.
YOU ALSO HAVE TO TRAP THEM. Again, last night ACR Cardschat freeroll. I saw tight players actually have the aggressive donk right where they wanted but would bet the pot heavy when they were ahead and wouldn't let the aggressive donk bet into them and they would show strength when they should be showing weakness to induce bets from the aggressive donk.
I was watching and just shaking my head as they missed those opportunities then calling the aggressive donk's all ins with a drawing hand and losing to the donks J9 or some silly hand against AQ, AK. It made ZERO SENSE to me since it was a full table.
But before you even play one of those sngs or
freerolls or live sessions I would suggest you get to know who you're going to play. Sit there and take notes on folks if you're online or go down to the card room and watch the 1st 10 mins of a live tourn that you're interesting in playing or sitout an orbit or two if at a cash table to understand what you're getting yourself into before you play.
As for your SNG you have to recognize that they're going after the blinds regardless and need them to survive so they again will simplify the game and go all in and you will have to make judgement calls and should understand the odds.
Moshman's SNG book that you can get a used copy for like $2 then 4 bucks delivered to your door if you live in the states on Amazon (or pick a used book seller) explains situations where you're going to have to gamble and gives reasons for the moves. But I would pay more attention to the pay out structure and see if its even worth it before you even sign up to play. Less spots but a bigger prize means less chances of you cashing. If only top 2 cash then that's usually 6 handed game and you're going to have to be a lot more aggressive in those than in full table so whatever.
Ranted enough.
GL.