High G factor correlates with high creativity. I see a direct correlation to coming up with creative solutions and being able to solve a battery of tests.

A lot of the leetcode hate mostly exists because it's hard. And a lot of coding interview problems actually require a lot of creativity to solve.

And imagine thinking that facebook isn't innovating. Facebook is leading the future of virtual reality, and leading AI breakthroughs. What do you think facebook marketplace usage is like? Just because you don't like getting tested doesn't mean people who test well can't innovate. No matter how much you trick yourself into thinking that Facebook/Meta won't stand the test of time, it has and it will.