Metal sonic that's simply incorrect Arcanine is not a sharpedo counter you clearly do not understand what a counter is. All common definitions of a counter go something along the lines of "a pokemon that can safely switch into another pokemon with little threat to itself and can immediately threaten or heavily disrupt the opposing pokemon".
Arcanine clearly does not counter Sharpedo. It does check it however, most definitions of check goes something like "pokemon x checks pokemon y if putting pokemon x on your team means pokemon y cannot completely trounce you". So once again you're wrong when you say having priority counts as a speed boost counter.
More importantly thought you overestimate Sharpedo's defenses even a Sucker Punch will badly injure him from Honchkrow and if Honchkrow is in the middle of a sweep with +1 boost then Sharpedo is going to get OHKOd plain and simple. Sharpedo can only take weak resisted attacks (like Sucker Punch from Hitmontop) while it will still be taking a fair amount of damage from things like Azu's Aqua jet which does about half to him.
Yeah detroitlolcat letting anything set up really is very dumb if you don't have a strong response to it but I would even say guys like Rock Polish Rhyperior are even scarier than some Qd passers to many teams since if you're using something like Victini to revenge stuff Rhyperior will still maul you even if you have your scarfer intact.
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