I mean, it was a response to a claim, without evidence, that it was valuable.
Is your position that _you_ can make assertions without evidence but that lesser mortals may not contradict you without writing a paper on the subject?
I’m convinced that a large part of the user base of this site is genuinely, literally, solipsistic.
My position is more that it's OK to mention a well known and easily verifiable fact without digging out authoritative sources.