I don't know what the obsession here is with RPS gameplay. Starcraft 2 has a more pronounced hard counter system than SC:BW did and it's clearly inferior from a gameplay perspective. Counters in BW were more based on how the units functioned, not arbitrary damage bonuses to balance gameplay. The skill of BW progamers are so much higher than SC2 ones since the relative lack of RPS gameplay makes the game more focused on micro like positioning and optimizing use of special abilities.