Said this from the get-go…
Yet here we are…
Outside leveling characters to lvl 50 I never used anything but legendary items… Because like you said they are just better in every way (not taking into account the special effects)
Normal guns should still be viable even in end game
white guns could do insane damage but have no other upsides (poor handeling/weak scope and so on)
Same for green and blue and purple should do as much raw damage as legendary weapons…
Legendary guns should reward gunplay, not just have OP damage
I remember playing BL2 OP8 with only 2 legendary weapons…
BL3 inflated legendary weapons far to much…