In the early days they had to focus basically all their efforts on that because it was unimaginably bad. You could be all the way across the room and still get hit by things, level bad. "On any given day Titan may be literally impossible because it's sometimes already too late to move before the Landslide cast even starts", level bad. Those 2.1 changes weren't about making things better. For a lot of people they were about making the game playable at all.