We live in a society where we look at results.
When a team is winning the manager is considered a good leader. When a team's losing, well, that manager might be headed for the unemployment line.
They get paid the big bucks to make the tough decisions. When to tinker with the lineup, when to make a pitching change, when to pinch-hit, when to pinch-run, when to make a defensive substitution, when to intentionally walk someone, when to call for the shift, when to bunt, when to hit and run.
It's all part of the job.