Ryu and Ken are like reverse Goku and Vegeta.
Ryu is like Vegeta were the only reason he isn't left in the dust is because he trains none stop.
Ken is like Goku who loves a good fight, also trains, but is more so just naturally gifted.
No you got it backwads Goku and Ryu are the same
Vegeta and Ken were born with natural talent
Goku was a low level Saiyan weaker than raditz, he only gets strong because he does nothing but train and has obsession with being strong
Ken was natural better at fighting at Ryu, but Ryu is more dedicated and trains harder so it was always better because of that
Goku and Ryu represent hard work trumps Talent
Vegeta and Ken are the blue chip recruits