https://wtfhappenedin1971.com/
What happened in 1971? The Nixon Shock, which is when the dollar stopped being convertible to gold after it became evident that the US did not have the gold it claimed to have.
The gold standard stuff is hilariously reductionist.
So that paragraph reads like "You are wrong because [essentially the same thing you said phrased differently]".
Sounds like cryptobros politics.