Excellent post and well put.
Mane had an excellent career at our place, he wanted to go, so he went...but to me the manner of his exit was poor, the timing and ambiguity of his public statement was a distraction and I think it did have a (Fractional) bearing on the game in Paris. With him being gone, and us now in near collapse it's easy to equate the two, I think this exaggerates his contribution, as effective as he often was, his absence doesn't explain Virgil Van Dyke or Trent's lack of form.
Wages: All these players in the first team squad are paid plenty enough, and they are bright enough to realise that some players rightfully earn more than others, this is true in most work places...again I think your jealousy argument is exaggerated.
One thing I fully agree on is Salah (see my last post on Salah thread)