Debate over types of brakes misplaced; we race to get there first, not to stop first

Wheels of Happiness

There has been a lot of debate on:  rim brake vs disc brake  

An old pro described this to be worthless debate as in race we determine who gets there first, not who brakes first.   

So focus on more efficient and sturdy drive train:   pedals, shoes,  crank, chain ring, chaings, cogs, wheel set.   It turned out that rim brakes are faster vs disc brakes being lighter.