I too think Stalingrad should be moved to low BR queue once soviets get new campaign.
I have never said Tunisia should never be played. All i have said is that Tunisia should stay on low br or players should get option to block one campaign which they do not like.
Because putting even as unpopular campaign as Tunisia to high BR would basically kill off BR restrictions for maps to US. It would depend purely on RNG and I really do not like such scenario.