Quicky

Exactly the same. I’ve been a “developer” for decades, often using a new language for a single project, then never touching it again for years, until I’ve forgotten the basic syntax. I’m an expert in nothing.

Stack Overflow, random Indian YouTubers, Google and now AI have been essential throughout my career.

You only need to know enough. Know what you want to achieve and the rough steps for how to get there, and somebody or something can fill in the blanks.

Unions (in the UK at least) often provide financial support for striking workers so the money needs to come from somewhere.