True. He does need a “cooldown/wait period” between eliminations: play more into the assassin that slinks away after finishing the job, waiting for the heat to die down before they make their next move.
Technically, with how spread out everyone is in Overwatch 2.0, I think worrying about healing is kind of a moot point. Especially with how Genji plays similar to a Jungler in a MOBA: waiting for the enemy to be vulnerable before striking (i.e. the opportune moment where the enemy thinks they’re safe, when they actually aren’t).
This would set apart the good Genji’s from the great Genji’s: situational awareness and timing.