I think OP meant "not good enough" to pass the interview, not to perform on the job. Saying that a certain $PREDICTOR is bad in itself doesn't say much, in par

I think OP meant "not good enough" to pass the interview, not to perform on the job. Saying that a certain $PREDICTOR is bad in itself doesn't say much, in particular it doesn't say whether there's a better one available under the same constraints. Widespread leetcode interviews is just an indication that large companies have not found a better predictor yet (again, under the same constraints with respect to time, budget, etc.).