I don't pretend it's the better way to play them, but here's how I play pairs:
AA: always raise if there's no action in front of me, but not max. After the flop, if I don't catch anything (including draws), I'm very careful
KK and QQ: same thing, but if an Ace comes (or K with QQ), I'm mostly out.
JJ, TT and 99: I need connectors to go with them and at least suited once...
Anything lower: Mostly fold preflop if I don't avec 2 connected cards suited with them.
If I hit top trips on the flop, I play agressively every pair cause there are so many draws on PLO... I'm way more cautious with 2nd pair and even more with 3rd.
So to answer your question: YES they are dangerous. Don't get result oriented by a trip or even a quad caught after the flop. Mostly, I believe the right thing to do is to be cautious.
At least, that's what I think from my 10 years experience and some book reading on it.
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