Good rank-based systems are less prone to strategic voting and manipulation than plurality voting (= an ordinary vote), because each voter can safely put their preferred candidate first, even if that candidate is unlikely to win, without harming the chances of their next-preferred candidate.
They don't need to vote strategically to try to keep someone they particularly dislike out.
The no-so-good rank-based systems are less effective at this separation (though no system can be perfect at it), so people still vote strategically of course. But the pressure to do so is still reduced compared with plurality. Plurality is probably the worst of all options for pressuring people to vote strategically.
Good rank-based systems are less prone to strategic voting and manipulation than plurality voting (= an ordinary vote), because each voter can safely put their preferred candidate first, even if that candidate is unlikely to win, without harming the chances of their next-preferred candidate.
They don't need to vote strategically to try to keep someone they particularly dislike out.
The no-so-good rank-based systems are less effective at this separation (though no system can be perfect at it), so people still vote strategically of course. But the pressure to do so is still reduced compared with plurality. Plurality is probably the worst of all options for pressuring people to vote strategically.