If you've ever managed an open-source project and have to deal with tens or hundreds of requests for features or changes to the API specific to a single use-cas

If you've ever managed an open-source project and have to deal with tens or hundreds of requests for features or changes to the API specific to a single use-case (usually that the requestor needs for a client but doesn't want to implement themselves) you'd understand why sometimes "WONTFIX" is the only suitable reply.