Haha, I'd believe they were a troll, but BioWare fandom is VERY VERY possessive of their ships. Since you are the PC, a lot of fans tend to feel like their favorite character is cheating on them. People flipped out when Alistair got with Leliana in an AU DLC, when Fenris and Isabela hooked up if you didn't romance them (although there were some bug issues with that), when Tali and Garrus hooked up, etc.

This is pretty normal, but it's an amusing annoying case that stands out as my favorite example of crazy.