Echo as a form of argument
Sometimes people don't want to provide arguments (for something that may be right, wrong, or arguable). In that case, what can be better than to quote something famously true, such as Dijkstra's Goto Considered Harmful, and hope that the truth rubs off?
Example (source):
IETF's job is to provide technical leadership, not to follow bad advice. Instead of caving into them, what we need to do is publish a draft called "Translating Everything into XML Considered Harmful".