Not only do some companies strictly have the policy regardless but also some people (like me) want a consistent challenge as in going from say security research to hardware to web dev.

I don't advocate for a free ride nor am I saying the tests are hard (they really aren't), just that they have a very weak correlation with building strong teams of the right people

Being an introvert? Becoming a better engineer? Learning new skills? Doing things that actually matter for my job?

Speaking as an introvert, introverts need networks too. Build a network - skip to the front of the line. Or better yet, get a job specifically made for you. Otherwise get into the funnel like everyone else.