there is no survivorship bias. Just compare random engineer from Big tech who knows leetcode to a random engineer from unknown company (like your local communi

there is no survivorship bias. Just compare random engineer from Big tech who knows leetcode to a random engineer from unknown company (like your local community bank IT guy) who never heard of leetcode and you will see the difference yourself. or better yet open your own high growth IT startup, raise few mills from VC and start hiring and see if you like leetcode interview or not.