Has this person never heard of utopian socialism?

A lot of such cases there.

The vulgar materialism understander has logged on.

1909: Lenin heavily expanded on this in "Materialism and empiriocriticism" to show how much danger was in trying to smuggle even a hint of idealism into marxism, which was then confirmed many many times not only by the very people in question (Bogdanov, Lunacharsky and similar) being the shaky, unprincipled marxists, but also later too by failure of many other projects, most relevant of them here being Arab socialism which was promising but ended up largely because religious opposition and funding of said opposition by imperialists.

2023: People will tell you that it's "vulgar materialism" for not outright embracing religion.