People being too generous for their own good was not invented in the 20th century. If a dev doesn't want to work (with or without pay as the case may be), they

People being too generous for their own good was not invented in the 20th century. If a dev doesn't want to work (with or without pay as the case may be), they can just... not. That is not a fault of the license, which the dev themselves applied to their code, especially when the license explicitly states that the dev is not obligated to provide any support or additional work.