In fairness to Trossard, with De Bruyne, Hazard and Lukaku in the side, I would imagine the instruction to him and the other players from Martinez was to play safe and look to get the ball to them as soon as possible rather than trying anything themselves, which he did.
For an attacking player...
Similar to the Poland goal the other night, that move was started by an excellent piece of play by our man.
VAR really needs to **** off for good though, that was never offside. Ludicrous decision.