Anybody who can consitently produce worth a shit does.
Any idiot can find a hot loop every now and then and throw some drums over it. But I guarantee that any beat like that could be improved by somebody who really had a creative approach to it.
What does all this have to do with music theory? Well...it's hard to consistently pull quality ideas out of thin air. Lord knows we all plink around on a keyboard and just *find* something every now and again, but if you ever hope to be able to consistently and efficiently make hot tracks, you'll find it's a giant handicap to not understand what does and does not work, and that's where theory comes in.
Is it the only thing you need? No. But on some level, if youre serious about making music, I say yes it is necessary.
you went home thinking about it that even for a second you might could have mushed your face in between two middle age boobs and like it a whole lot - bubs