throw in “wanting to do something” versus “having to do something” – I want to build my own keyboard so I spend the time to learn about them, I have to use Windows at work but as long as it doesn’t catastrophically break I’m not spending any more of my time on it than I have to – if it does break, there’s the paid IT department who’s going to be oh-so-thrilled that Amateur McJones decided he could fix it himself …