Why does GGG hate poison so much?

I created my very own pathfinder poison build, of which im pretty proud of but it has been nerfed now 2 patches in a row.

first they got rid of poisonous concoction, so i needed now something else for single target damage and swapped to bleed concoction as it has synergy with poison supports.

and now they are getting rid of contagious contamination....

dont think i can keep this pure poison build up for much longer if they keep nerfing it.

GGG seems to hate multiple things: char speed, tanks, melee, minions, poison, fire, armour. They also seem to love other things: lightning, energy shield, ranged, spells.

It's pretty clear that the developers, some of them ar least, have pretty clear biases that prevent them from being objective in their game design.
Having preferences and biases is a perfectly normal human behaviour, but we should at least try to control ourselves when creating things for people with different preferences.