It would only be about free speech if the cookies were shaped like gay men or a cruicifix dipped in urine. Then, the campus police would be called out to protect the Liberals selling the cookies, and anyone who objected would be denounced as a small-minded Christian bigot.
Also note that THEY, the Liberal Intelligencia, get to determine the definition of "hostile environment." It is always the Libs who determine who is the opressed, and who is the opressor...