I think the main problem is that their whole send off was rushed. And what gets me is that they wasted so much time on Lindsey in season 5 just to drag out drama, then had to turn around and pump out marriage and baby for LP. They always thought that would make LP's ending more epic, but this time it bit them in the butt.
And of course they gave what LP the couple "needed" before their departure, but not any of the other core 5 relationships. :/ Seemed like some sucky planning and/or prioritizing.
I was definitely not jealous of the wedding LP got. Naley wedding sex and Stephen calling himself a tool are the only good things I remember.