You absolutely should know your tools so you can actually trace problems and troubleshoot by yourself, which saves you time from researching and finding expert opinion. This is the exact reason why I don't use linux. I know my tools pretty well (macOS and bash), and I can troubleshoot my own problems.

But there are always going to be exceptions, new problems will arise that will slow you down. That's another reason why I'm on a mainstream OS and not linux, because when I do encounter a problem that slows me down, devs work at breakneck speed to fix bugs and there is extensive documentation because the community is much larger than the linux community. I'd be spending waaay too much time in the weeds on ubuntu, sifting through pages of SEO crap search results to find the one sage forum post from 10 years ago with now deleted screenshots, just trying to run the software and workflows I know like the back of my hand on macos. I don't want to start over and be a dumbass again, I've found my niche.