The Time magazine article creating "the gateway drug" myth in the 1970s provided no citations for its claims, except ambiguous references to unnamed “experts.” The evidence remains elusive forty years later.
In a free society there is no other means to avoid the evils resulting from one's fellows' bad judgment than to induce them to alter their ways of life voluntarily. Where there is freedom, this is the task incumbent upon the elite.
The true aim of these “scholar activists,” as many academics have begun calling themselves, is to propagate socialism by redefining capitalism to encompass every evil of human history. Which means they're mostly attacking straw men.