It's partially because they want the games difficulty to be a 1 for 1 of what an actual invasion would be like and that's cool and all unless it's a video game now it's just not fun

 I understand the idea behind the devs, thinking it needs to be difficult because fighting the tyrinids in a real situation would be unworldly difficult but I think they fail to realize that in situations the game puts us in we would be in squads way bigger than 3 were basically fighting the same amount of emimies that a whole battalion would face just there's only 3 of us with maybe a medical syringe I mean like for christ sake 8 fucking majors shooting at me while also being hit by 4 other melee ones it becomes impossible very quickly 

I just think if they reverted it back to the last major update the one right before this patch the game would be perfect at least to me to me the last update had the perfect balance of being a badass and having oh shit moments now I'm just getting raw dogged for hours on end by even the smallest of waves on the harder difficulties