And even when they do, it's not with constant "omg Dee and Sam are horrible human beings who should diaf NOW NOW NOW" refrain. It's more, they like Sam (or Dee, though less people like Dee), and they want him happy and don't think Kara will accomplish that (or whatever). Sort of like my reasoning for it (I like Lee and Kara, just not together, but I don't want Lee dead)