"It takes skill and knowledge to write software. And while many skills and some knowledge will transfer, working on a new software project inevitably requires developing new skills and more knowledge. Software developers are not fungible cogs that you can swap in and out at will...
This thread is a microcosm of the interactions in Open Source projects. Consumers make demands (some polite, some not-so-polite) of one maintainer (rarely two) that does everything."
