'But they haven't,' interrupted Oliver, overlooking Percy's paranoia for the moment. Now that he'd started lecturing, it would be difficult for him to stop. Oliver had always adamantly fought for his beliefs, even if no one was opposing him.
'The Broom manufacturers are already in direct competition with the manufacturer of Floo Powder, and then of course there's Apparation and portkeys. And the latter are free... Introducing carpets can only increase profits. Direct competition, supply and demand, it's matter- I'm... I'm going on, aren't I?'