I would say statistically biased instead of insignificant. Presumably OP associates with very driven people who happen to do well in competitive environments. G

I would say statistically biased instead of insignificant. Presumably OP associates with very driven people who happen to do well in competitive environments. Glassdoor suffers from the opposite where 100% of people with a grudge go to complain while a smaller percentage of happy people go to write a review.