@layman,
I tell you to bake my ass a cake, Buster, then, by God, you're gunna jump and bake my ass a cake, got it!?
Suppose I own a bar, restaurant, or other business and I refuse to serve anyone with tattoos all over their face on my premises. Is that illegal?
Certainly not under the federal law or constitution, or under any cheese-eating "equal rights" law that I've ever seen passed by any state.
If I don't like fact tats, then I don't have to approve of them, let alone place myself "at their service."
Why gays? Because some cities and states have (validly or not) added them as a special, "protected class," that's why. What's so "special" about them, anyway?
Some people don't like homosexuals. Big-ass deal, eh? There are probably a lot more gay cake-bakers than straight ones around. If one guy doesn't want to serve you, just go elsewhere. Don't try to FORCE him to like you and cater to you. You try to trample on other people's natural rights, don't be surprised when you get some backlash, eh?