For me it was reverse. When I was a junior I was reviewing PRs from the seniors and it couldn’t have possibly been tested to work.

The seniors were super lazy and around half the PRs would have broken production.

Seniority often comes from years of work and not knowledge.

As someone who does AI for a living: GPU+docker is easy and reliable. Especially if you compare it to VMs.

Really explaibs how I got an answer to my application 14 month later. But they were consulting work companies. So you were hired when they needed a consultant with your profile.