"Every known voting system that's deterministic and non-dictatorial is subject to strategic voting." Maybe, but there's the matter of to what degree. "Moreove

"Every known voting system that's deterministic and non-dictatorial is subject to strategic voting." Maybe, but there's the matter of to what degree. "Moreover, all voting systems have advantages and disadvantages, because many desirable traits of voting systems are mutually exclusive." True, but that shouldn't stop us from optimizing as best we can.