By that "logic," businesses would be forced to create and sell to prospective buyers any kind of perverted design or product whether they, the businesses, find it disgusting or not. No business would be allowed to discriminate.
I sometimes shop at a local grocery store owned by Christians. They do not sell alcohol. Can the government force them to sell alcohol?
I really see a time in the not-to-distant future when Christian churches are forced to marry homosexuals or risk losing their tax-exempt status. I will happen - just a matter of time.