head to head
Call of Duty: Modern Warfare 2 asks more than TV Sports Basketball, and the gap is execution.

Execution · Competitive PvP
Blockbuster 2009 sequel famous for killstreak chains and frantic multiplayer.

Execution · Competitive PvP
Court timing and play-reading in an early team-management basketball sim.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); TV Sports Basketball leans Execution (Competitive PvP).
Call of Duty: Modern Warfare 2 leans clearly harder on execution.
Call of Duty: Modern Warfare 2
Fast time-to-kill rewards raw aim and reflex
TV Sports Basketball
Timing shots and movement on court matters most
Call of Duty: Modern Warfare 2 leans clearly harder on reads.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
TV Sports Basketball
Human opponents reward reading plays and fakes
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Modern Warfare 2
Spawn flips and killstreak randomness
TV Sports Basketball
Shot success has built-in randomness
Call of Duty: Modern Warfare 2 leans a little harder on optimization, though the gap is small.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
TV Sports Basketball
Substitutions and strategy management add a layer
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.