I realize OOO will never go back to the old catalyzers but im just gonna post this here anyway to see others opinions.
The old catalyzers werent used much in pve, there are better ways to kill monsters. The change made it better (havent tried it, but id think so) in pve but there are still much better options.
My problem is LD. Biohazard used to be a fun slow gun that ppl had a hard time dodging properly cos of the extremely low speed. I have seen the new version used with hail driver, but it doesnt seem very effective.
Everyone ive talked with about this agrees that the old version was better. Cant be very hard to change a weapon back to something it has been.
ive found that its mechanics do work in lockdown, the only real issue (other than people not bothering to find new strategies) is that detonating tags deals no damage, which is probably an invinciframe bug