My apologies, I appear to have misunderstood the comment chain. The commenter saying that the whip cream law discriminates against minorities is incorrect.
Prohibition itself does discriminate against minorities but age regulation does not, in fact age regulation of psychoactive substances is a good step in the right direction away from hard-line prohibitionist policies.
>make it illegal to be either against the war or black, but by getting the public to associate the hippies with marijuana