Ball ammo is hard on a pistol? No, it's not. Ball ammo is generally speaking easier to feed for some pistols than JHP's. There's less edges to possibly get hung up on.
Why are they saying that ball is harder on pistols? Were they perhaps talking about +P ammo? That IS a little harder on pistols simply because it's adding pressure and slide speed to the equation, but if your pistol is rated for +P (which most modern pistols are), you should be fine, just make sure and check that out first.
I guess what I'm getting at, is why would they think there's a difference be between 230 ball ammo and 230 JHP's? The bullet weight and recoil impulse would be damn near the same.