Probably that man took at step further the one we all did here, while we stopped seeing girls as god given angelic creature capable of good only, those men in their life experience simply started seeing girls as unperfect creature uncapable of any inconditional love or exclusive bounding.
Therefore he is just cutting the bvllsh1t that most men believe (in order to keep the fairy tale living and feel warmer inside) and going straight to the deal.
Actually its not that rare nowadays, I read about many wealthy men who hire a permanent lover the same way we would hire a cleaning lady, they give her a monthly salary and go get sex when they want.
In the end this is simply what we did for centuries masked as relationship.
If we were to draw a line, white knights are at the beginning of the line, most of us is somewhere between the middle and the second half of this line and these businessmen are very close to the right extreme.
In the end most of women see men as a success object as much as we see them as sexual object.