This is morally equivalent to the pointy headed boss who demands people work from the office because work that is not done in his field of view does not exist.
Not really. The boss is being picky while getting paid, whereas OP is offering a donation while being picky. Pretty different from a moral standpoint.
I would say it’s morally equivalent to not buying a product because they haven’t updated their blog in a long time and you can’t tell if the company is still active.
A person should confirm the maintenance status of most of these programs by looking at the public interface of whatever source control system is being used.
