I'm not super familiar with the gen 3 Ubers meta, but the
R/S article for Deoxys-A always felt really bizarre to me. Right off the bat- "The absolute best cleaner in the game. Absolute best. Nothing stops Deoxys-A"- it sounds like this Pokemon is a nigh unstoppable monster that's mandatory on every single team. Is it really so overwhelmingly strong that players have to resort to gimmicky crap like Arcanine, Swellow, and (wtf?) Dodrio just to have some semblance of a reliable counter? Do people really not use Pokemon like defensively bulky Kyogre or Ho-oh to tank through the Choice Band set?