Have you ever been to a “bad” wedding?

Oh I know there will be hate for this but I’m honestly genuinely curious. Have you ever been to a “bad” wedding? Maybe the bride was making things hell or the reception was a mess or whatever. I hear a lot about how “oh if you do or don’t to this thing your guests will hate your wedding” and I didn’t think it was true until it happened. I had a friend (who will be my sister-in-law in a few days) who had a horrible wedding. It just looked cheap and like it was thrown together two days before. The decor was cheap, the sanctuary was too dark (there was a spotlight on the couple and that was the only light), she was rude about things. I think the only good thing was the cake. Obviously none of that is the important part, but have any of you seen similar things?