I still get this question about my Buells too. Not just the EBR.
So you "need parts". Tires? Brakes? Fluids? Valve shims? Bearings? Every single maintenance part is available aftermarket, and all at the approximately same cost. So thats a non-issue.
Ok, so lets say you bought an EBR and your brother laughed at you and said 'you'll never find parts for that pos!' (your brother is a jerk...) so he spent $15-$19K on a comparable bike. S1000R, R-1, Panigale, Super Duke, etc.
You are riding years from now (and your kicking his butt on you EBR of course) and you both slide off a cliff and the bikes need MFG specific parts like forks, dash, plastics, headlight, a swingarm, etc... OH NO!!
Your brothers Ducati will cost how much to fix his old bike? To get the post-wrecked bike back in months? Heck! He's still making payments!! Your payments were done a long time ago. You pay the same $$ as his repairs and have:
another new EBR delivered to your door in a week. Go ahead pick a different color
AND you have a couple thousand dollars of spare parts to sell, or keep for your new EBR.
Catastrophic engine failure? No OEM engine from any of those dealers or race teams? No salvage yard engines? No eBay engines to find? Get another whole bike. You still spent less than any comparable sport bike, (and still have the EBR parts to sell from the old bike).
It seems like a win-win, Because it is.