Bobdog owns a mac.Prove it.
Actually don't bother - the argument is, in essence, about whether gaming on PC is more rewarding than gaming on the mac. If sales figures are proof of anything perhaps it would be better to take the global view and look at sales figures for PC's vs macs.
He also now owns a PC (he bought one fairly recently. So he could game.)
He knows Mac's suck for gaming, and it's the reason he bought a PC