>>323964639
The catalyst isnt terrible but its mobility simply isn't there to justify taking it over a dredge as far as I can see. If it were a little bit more mobile then it would serve its purpose of supporting the heavier mechs but its barely more mobile than a dredge.
I think the problem is really that the goldrush is simply too good compared to the other not-hopper options. It has good firepower in spite of lacking a rocket mount and it is decently tanky particularly from the front, probably moreso than the catalyst since its rocket mount is completely exposed. If skyjackers were good then this would balance it out since the goldrush can't have one but they are and the goldrush is tremendously more mobile.
>>323964531
Honestly I can scarcely recall fighting a rook. I probably just mistook it for any of the other fat mechs who are sitting ducks. Even if it can jet sideways what good is that when you're floating above it and it's a sitting duck? I could see it being valuable in a meele but then I wouldn't want to just have 2 heavy weapons.