We already have Hull, we just don't see it. When we are bleeding out we have taken Hull damage (so our suits are nonresponsive) and when we die instantly its because the damage we took was more than our total Hull HP.

Thats why a grenade at your feet will insta-kill you while one a few meters away will put you in bleed out mode. Also why a sniper usually just puts you in bleed out, but if you had low armor will insta-kill you.

Vehicles work the same way. It's just that most AV weapons do enough damage to destroy the remaining armor and Hull in the last shot. But, vehicles that are at 0 armor but have some Hull HP left cannot move but their turrets can still fire. It's rare, but happens.

.... What in the absolute **** is with this 'community' and their ****ing assumptions, god it's like talking to toddlers...

Let me spell it out for you since you obviously can't use context clues to save your life:

+1 (meaning that I am supporting this particular feature)
for (the action of)
having (implementing the particular feature)
a (self explanatory, but if you need me to explain this too I can)
Hull (the chassis, the bit beneath the armor)
Bar (a representation of the numerical Hit Point value)

Where in the **** did you EVER see 'hell yeah let's make it to where shields don't take collision damage'

FFS, I swear sometimes I feel like I'm the only son of a ***** with intellectual capability around here.