Lucijumping used to be a very good part of Tremulous IMO

It is no longer nearly as useful because of the ~75% higher self-damage.
It only makes trappers useless if your base is in a large open area, which it shouldn't be.
It didn't used to make it nearly impossible to get a hit in, I think it actually did more damage then a dretch bite. Maybe you are talking about just shooting your feet? Anyway in 1.2 luci charges slower, so that is not as much of a problem. Also you are talking about the weakest alien class against the most expensive human weapon...
Uhh lucijumping was never used to kill aliens. I assume you do mean just shooting your feet, and that was only useful against dretches and basis.