Do people actually use non - english keyboards? All my computers that I ever owned used the standard US layout. If I want to type in my language, I switch layout and I’ve simply learned where the characters are. But 99% of the time, I’m using the US layout.

You can’t run a debugger on a customer’s machine.

And what if I hate both?

From a career perspective, think of languages and frameworks as tools. Knowing how to work with more tools broadens your horizon about what you can achieve and how efficiently. Sure, you can specialize on certain tools, but these come and go.

Also renamed xml, renamed json and renamed sqlite.

Like the Apple Lisa?