Winning the entry hazards war or getting an Intimidate attack debuff on the opponent’s physical sweeper can make the difference between a win and a loss in competitive. It’s why Gholdengo is so ridiculously overpowered by being immune to status moves.
In competitive Pokemon, buffs and debuffs are absolutely critical.
In a single player run, they’re useless.
Winning the entry hazards war or getting an Intimidate attack debuff on the opponent’s physical sweeper can make the difference between a win and a loss in competitive. It’s why Gholdengo is so ridiculously overpowered by being immune to status moves.