I suppose here you can say, "But the diocese stood up, right? They said no officials from the organization could speak, and that the Church's views were to be respected, right?" Yes, that's what they said. But what they said didn't line up with what they did.
The award should not have been presented there. Or better yet, a real compromise should have been reached - the award should have been presented in conjunction with a statement of the full Catholic teaching regarding same-sex attraction, and the difference between accepting people who are different and endorsing the choices they make, or the identities they take on.