AITA for wiping out half of all life in the universe?

Alright basically my planet was destroyed by overpopulation so I set out on a quest to prevent that from happening to other worlds, I set about conquering planets, splitting the population in half and killing one of the halves while the other watched, but then I found out about something called the infinity stones that could change the very fabric of the universe and manipulate reality to whatever I wanted it to be. I set out to find the stones, but a band of heroes decided to try and stop me, nonetheless I acquired the stones, killing many in the process (including my own adopted daughter) and with one snap I wiped out half of all life in the universe…

So AITA?