>>132805673He wanted to take the head of instrumentality and be immortally God with Yui
SEELE wanted to take the head of instrumentality to evolve all of humanity into something like God
Depending who got to control it first would make the impact have extremely radical results, luckily Shinji was the one to get the head of it (a position given by Rei) and let humanity make the choice for what they wanted to do by themselves.
