If you wanted to learn to play the piano, how would you do it? You'd get lessons, or watch videos, or read a book. You'd definitely practice. Treat interviewing the same way.
I agree, practice is key. Interviewing is a skill, sure some people are good at it, and that's great for them.
I am not good at interviewing. I have very little confidence when interviewing, and I get super nervous. I get better when I warm up, towards the end of the interview. The only way I do better is when I practice a lot, keep a schedule, exercise before the interview, and usually I need a job-support group to help. It's an effort.
IME anyone who is willing to put in the time and effort can get to a level where they're "amazing" from the perspective of regular people - of course there's a huge gap between that and being celebrated as top of the world or something.
So put a lot of effort into something that you hopefully won't have to do very often. I think that's the objection that a lot of us have and why there's a feeling that there's too much emphasis on the interview. I can practice interviewing or I can spend that time learning more about algorithms, math, programming languages, machine learning, etc. It seems like the latter is ultimately time better spent.
