i think if devs will fix this, HA's need to be taller than normal marines xD

I was under the impression that they were taller then marines, by a good 2 feet give or take.

he meand the viewpoint: when you get a HA, youre model become 2 feets taller, but youre viewpoint dont change:

I.E: you look out of the HAs stomach.

yes i meant the viewpoint should be like onos or fade's (tall)

Also, HA can crouch and fit in vents just like a normal marine. Similarly, Fades can do the same.

Is this a good thing?

I was thinking about that also the other day. That perhaps the Fade crouch shouldn't be able to fit in the skulk sized vent. So maybe vent could then come in two favors. One for all expect Onos. And one for skulks, gorges, and lerks. Visual it would work better but perhaps the gameplay would suffer. Or perhaps the gameplay would become more rich. Who knows...