Seawytch
Information isnt Advocacy
A wedding cake isn't just a generic product—it's an artistic expression of support and celebration for an event. The exact same principles ought to apply.
Oh bullshit. You sell a product. You can't sell the cake to couple A then refuse to sell to couple B because they are (insert group protected by local, state or federal PA laws)
The First Amendment is still part of the highest law of the land; and it explicitly protects freedom of expression (including nonexpression) and religion, and implicitly protects freedom of conscience and of association. If you don't like it, then try to get a new amendment ratified to repeal it.
PA laws are part of the law of the land. And withstood Constitutional challenge.
Heart of Atlanta Motel, Inc. v. United States - Wikipedia