Yet not every opponent is as obliging as Leicester, who were the perfect cannon fodder for United as they continued their revival under Ruben Amorim.
Rasmus Hojlund ended his 21-game goal drought, with further strikes from Alejandro Garnacho his first in 25 matches and captain Bruno Fernandes, with his obligatory man-of-the-match display, sealing the win.
Hojlund had gone 22 hours and 19 minutes without a goal, but showed supreme composure in producing a clinical first-half finish, which set the tone for a comfortable United win.
Victory stretched United's unbeaten run to seven games in all competitions, and while this has been one of their worst seasons in recent memory, there are signs Amorim has them heading in the right direction.
For Leicester, this was a sixth successive league defeat, one which leaves them nine points from safety with nine games left to play and facing an immediate return to the Championship.
United midfielder Manuel Ugarte flashed two shots over in quick succession, but there was little to quicken the pulse in the opening exchanges.
That changed in the 23rd minute, when Christian Eriksen and Fernandes exchanged passes from a corner, the former executing a sublime, curling, angled shot from the edge of the area that had goalkeeper Mads Herm...