I've had a few friends in my wards over the years (one that I can think of when I was EQP) that were unorthodox in their views. I found them to be stimulating conversation partners. They were more or less 'tribal' Mormons. Although there were also those that had gone through a deconstruction and reconstruction of their faith. Good folks and interesting to be around. For many years I've thought it would be a good thing to have a gospel questions class where those that have found ways to reconstruct and/or build their faith after having a faith crisis of some kind could have one on one discussions with those that are struggling.
Probably won't happen.

And yet it does, sort of. It's called 'cultural hall discussions' or 'linger longer hallway discussions'.

The important part of the Sunday meetings is the sacrament. If a person feels some connection with their baptismal covenants and a degree/particle of faith and hope that Jesus is the Christ, I think those that are not full of faith or have strong testimonies are welcome. Of course one would also need to be obeying the commandments as they see fit according to the covenants they've made.
But even at that, I think there are those that attend and don't partake of the sacrament and yet are still welcome. If at times there is the 'bored factor' that some folks express here (I think you have

Regards,
MG