Here’s the reasons I finally deleted my engi:
Turret bugs; there are more than we can count, and it seems like every patch introduces new ones.
Elite skills; we only have one…
Flamethrower; you have to use specific traits, food, runes, and a bit of luck to keep 100% burning duration with a freaking FLAMETHROWER. Seriously, what the hell… And it does kitten damage.
Elixirs; the randomness sucks. Also, were supposed to be engineers, the masters of machines. Alchemy should not be a part of an engineer class.
Bombs/grenades; both are just awkward to use.
Rifle; this should be a long range weapon, not a short range shotgun.
After typing all this up, I’m surprised I stuck with the class for as long as I did.