A list of other resources related to maintainer burnout:
Sumana Harihareswara's writeup of a PyCon open space on burnout
Sumana Harihareswara's Guide to Handling Burnout and Career Planning
Nolan Lawson's What it feels like to be an open-source maintainer
Brett Cannon's Why I took October off from OSS volunteering
Jeff Geerling's The burden of an Open Source maintainer