>>33327116Because unlike the attacking or defensive stats, there are no "rolls" on speed; if you're a point faster than your opponent, you're always going to be faster than your opponent
Staraptor is base 100 speed, which is an incredibly crowded speed tier. It's the same speed as M-Kangaskhan, Salamence, Volcarona and Charizard. If it were one point higher, it would be guaranteed to outspeed them every time. As it is, it speed ties and comes down to a coin flip.
Pic related is the best speed tier in the game