That is called ‘scare quotes’, and the context is almost always sufficient to distinguish them from quotation marks, certainly in this piece they would suffice.

That is called ‘scare quotes’, and the context is almost always sufficient to distinguish them from quotation marks, certainly in this piece they would suffice. https://en.m.wikipedia.org/wiki/Scare_quotes https://en.m.wikipedia.org/wiki/Scare_quotes