Tauros is the hard wall to Chien Pao and checks Dnite and basically any physical attacker. Amoongus and Iron Treads are the Ferrothorn and Tornadus T for Gen 9 Rain.
https://replay.pokemonshowdown.com/gen9ou-1776999314-ze1h6dxekyu96jnhpfe6luxj7yj35k7pw
(Replay of Specs Tera Hurricane in Rain 6-0ing Stall)
https://replay.pokemonshowdown.com/gen9ou-1776999314-ze1h6dxekyu96jnhpfe6luxj7yj35k7pw
(Replay of Specs Tera Hurricane in Rain 6-0ing Stall)
Draco is more reliable than Hurricane so it's better but if you are having a lucky day, then spamming Hurricane has next to no switch-ins. So arguably he even has better stabs if Hurricane hits.