Tbh in my opinion, if he wants his friends there he should be allowed to invite them, TF does she even mean the parents would have to sit farther apart and they wouldn't be as prominent in the wedding , does having lots of people at your wedding mean your parents aren't important, also why is she deciding which of his friends can get excluded like that's so snobby "oh this one your not too close with so he's not coming" like mam??
They haven't mentioned their budget much but would they even be able to afford THAT many people? I definitely think they need to have a conversation on who is really important to be there. Just bc he calls them his friends doesn't mean they are even close, they could be acquaintances but he just calls everyone friends. Again, does every single person on that list really need to be there?
I'm sorry but you can't have THAT many friends that you need to invite, his list was a whole page I really hope she doesn't give in to him bc thats too much in my opinion, not every single person you know needs to go to your wedding