I think we clearly would have bought Pogba if Mino and co weren't money grabbers.
As for Kroos needing minding.
Last season:
Tackles Attempted: Fernandinho 165, Kroos 117, Pogba 100, Yaya 85 & Gundogan 69.
Tackles Completed: Fernandinho 105, Pogba 76, Kroos 64, Yaya 43 & Gundogan 37.
Tackle Completion %: Pogba 76, Fernandinho 64, Kroos 55, Gundogan 54 & Yaya 51.
Interceptions: Gundogan 57, Fernandinho 56, Pogba 47, Kroos 43, Yaya 25.
Clearances: Fernandinho 44, Yaya 35, Pogba 22, Gundogan 16, Kroos 11.
Blocks: Fernandinho 49, Pogba 49, Kroos 30, Yaya 20, Gundogan 17.
So Kroos gets stuck in although he isn't the best tackler, intercepts the ball nearly as much as the others, puts the blocks in as well and doesn't clear the ball, but that's because he can pass it.
Now for the good bit:
Passes completed: Kroos 2277, Gundogan 1776, Fernandinho 1636, Yaya 1589, Pogba 1417.
Pass Completion %: Kroos 94, Gundogan 88, Fernandinho 87, Yaya 86, Pogba 83.
Dispossessed: Kroos 28, Gundogan 51, Fernandinho 59, Yaya 73 & Pogba 178.
Dribbles Completed %: Yaya 78, Kroos 76, Gundogan 69, Fernandinho 67 & Pogba 61.
Shots on Target %: Pogba 31, Yaya 30, Gundogan 28, Kroos 20, Fernandinho 17.
Aerial Duel Win %: Pogba 65, Gundogan 50, Fernandinho 49, Yaya 49 & Kroos 42.
So if Pogba could use the ball like Kroos & wasn't a greedy bastard, then yeah he'd definitely be here. As that's not the case, I think Kroos is more than adept. Kroos is the facilitator that feeds the rest of the team endlessly, incredible stats really. Pogba's a more flamboyant and ambitious box to box kind of player, but much more erratic and inconsistent and at neither end of the pitch is he the huge chasms ahead of Kroos some say he is. Yes he dribbles 100 more times but he also loses the ball 150 more times and completes over 800 fewer passes.