E.G: I have a friend that went full nerd on his coding setup. Dvorak keyboard, Full Arch Linux with tiling windows manager. Everything in the terminal, all dev through vim. If it's not a religion, it's at least a lifestyle.
He is very happy with it: the keyboard is so ergonomic, he barely has to move the hand of it. Every task can be controlled out of a few key strokes
Except he didn't notice how much of a burden he put on himself.
Even for very simple tasks I see him struggling because of all the context switching.
If you have to copy/paste something from your web browser to your editor, it may require you to select with a mouse, and ctrl+c, then alt-tab a bit, click on the IDE tab and ctrl+v. Not instant, but this procedure is the same for everything, so it doesn't take much brain to do it.
For him, it's a whole guacamole, because there is a special shortcut to get to the browser, another one to get to the text, then copy/paste, then go to vim with another shortcut, select the proper buffer, paste with a yet another shortcut and make sure he uses the proper mode. Since Dvorak is a different layout than his phone keyboard or his client keyboards, the shortcuts don't perfectly rely on muscle memory.
Every simple task in his setup like that: it requires a lot of effort.
And his whole life outside of the computer is like that too, because he has very high moral standards, so he lives a constrained life in society that is optimized for a totally different life style. However he never cuts himself a slack.
Multiply that by a hundred times a day, a hundred days a year.
He burnt out.
And he has no idea why: all the reasons he gave me were external factor, blaming other people a lot.
But it was not.
He killed himself with a thousand paper cuts, chasing an ideal he theorized in his head but could not only never reached, but could not even assess the real cost on his life.