Originally Posted by
genejockey
You're overgeneralizing about things where there's considerable overlap. You shouldn't assume that because someone is smaller and lighter than you that they won't crush you on the flats, or that they will crush you on a climb. Sure smaller riders TEND TO BE better at climbing, and bigger riders TEND TO BE better on the flats. But that doesn't mean no big riders can climb or that no smaller rider can time trial.
I meant it as relative, like if I can keep up with a small person on climbs they should watch out on the flats and vice versa. In real world this means someone can hide in my draft on flats and dominate on the climbs, and to avoid that I either try to ride them off my wheel or hold some juice for the hill.