Gyrocopter counters

The Dota 2 heroes that most reliably beat Gyrocopter in public matches, ranked by confidence-adjusted win rate in games where they faced Gyrocopter (minimum 20 games per matchup).

#HeroWin rate vs GyrocopterGames
1Treant Protector72.2%72
2Nyx Assassin71.4%42
3Razor66.2%65
4Ember Spirit61.0%182
5Shadow Demon59.1%215
6Pudge58.9%129
7Juggernaut57.9%133
8Slark65.6%32
9Bane58.8%85
10Keeper of the Light60.3%58

Why