>>46916487>being an offensive type becomes useless once everyone gets your moves as coverageThat doesn't matter unless the mons can get OHKOs with those coverage moves, and they often can't.
>252 SpA Choice Specs Greninja-Ash Ice Beam vs. 252 HP / 252+ SpD Tapu Bulu: 248-292 (72 - 84.8%) -- guaranteed 2HKO after Leftovers recovery and Grassy Terrain recoveryThe main appeal to coverage is being able to hit SE without taking SE damage back, but most of the mons who got Close Combat are still weak to Fairy.
The only mon that got am undisputed buff with it was Lycanroc-Dusk.