I’m not sure how much open source work you’ve done or what packages you’ve maintained, but in my experience, the “someone else” rarely ever comes. Heck I have even been the someone else and then done a bad job of it!

This is an unrealistic and frankly a bit entitled of a criticism.

This is before we even get to stuff like “it’s not like yaml is a fast moving target, what continued maintenance is really even needed” parts of the equation, or the comment above that said he’s tried already.