The protzei geder include the caterers, photographers, musicians, and attendees. Thye all deserve to be shunned.
there are serious legal ramifications in many states.
This requires a serious shaila.
But in all this, comparing talking in shul no matter how widespread is ridiculous.
We don't celebrate or institutionalize talking in shul.
In fact just the opposite. There's been a campaign for several years to stop it.
https://www.stopthetalking.org/.
This is not about an individual's failings or personal life.
Society as a whole.is definitely here to celebrate and promote full acceptance of the LGBTQ lifestyle.
The original post that sparked this conversation wasn't about this wedding but about the post from the post (apparently from one of the wedding party) regarding livesaving donations to an organization which attempts to normalize and celebrate the LGBTQ lifestyle.