You do know the only reason that Domino's or any other mega-corporate chain does anything like this is to fool you into thinking that they are just a bunch of OK people, people you like, so you can give them your money.
I'll bet they put an obvious lesbian in their ad, not because of any support of gay rights, or human rights, but because a couple of marketing surveys told them that it would help them target a specific target demographic that they were not selling to. They want to make more than the $236 million they made last year, and they don't care much how they do it.
And the founder? All that money you paid him? Most of it went to fund right-wing Catholic organizations like the Thomas More Law Center, a public interest law firm dedicated to promoting social conservative issues such as opposition to abortion, same sex marriage, and secularism. He also started his own law school: faculty members have included conservative legal scholar and Supreme Court nominee Judge Robert Bork. Supreme Court Justice Antonin Scalia assisted in developing the school's curriculum, and the school's first annual Ave Maria Lecture was presented by Supreme Court Justice Clarence Thomas in 1999. The school's stated goal is to educate competent "moral" attorneys who will influence all aspects of the legal profession and advance natural law theory.
So it's not like you're sleeping with the enemy, you're just funding them.
So enjoy that 'za knowing that part of the money you gave to the delivery guy just went to fund the fight against your rights.