SPK_I had a broken brake once out of nowhere, but at least they're cheap and easily replaceable. Also the forward pressure setting is quite bad. It's super easy to setup in a shop, but once you're out skiing and you have to deal with that shitty tab and the plastic below breaking, well let's say that sucks. But for practicality, I prefer them over pivot for pow just because you don't have to deal with putting the heel down and setting it straight all the time after ejecting, which can be somewhat hard in deep snow. They're quite decent for "regular" skiing, but I wouldn't recommend them over pivot for heavy park skiing. But for the occasional park lap/groomer/off-piste they're just fine.
How often are you changing your forward pressure? Especially on the mountain?
can’t speak on the threes much but I’ve had the twos for 6ish years and they’ve been bombproof, getting probably 100 days a season each year.
most of the knowledge I have in the threes comes from customers at the shop I work bit. Not really any using them for park but lots of agressive free skiers and racers/former racers that use them. Never seen anyone have a problem but then again, it’s not park skiing.