Plenty of people will loudly state that they are irresponsible for not looking into the reports that they send, so while that isn't a direct obligation it is certainly a punishment, via potential reputation damage¹, for not doing so.

--------

[1] for example, see comments elsewhere in this thread saying things like "maintainers will if they care"

No matter what you do, there will be some group of people that thinks you’re wrong.

It’s up to each of us to decide which peoples’ opinions we actually care about.