I see what you're saying. Perhaps we just take a different approach or have different goals in the first place.
I can see this being useful if I didn't make or didn't have time to establish a strong connection initially, but still wanted to advance things myself. I don't usually call or pursue in any way girls I may have only gotten a number or kiss from without some deeper conversation and or physical contact. That usually leads to someone who believes I want to date her and either won't put out unless I date her, or alternatively will, but still expects a relationship.
Either way, for me, as someone who really enjoys the freedom and variety of being voraciously single between meeting girls who I think are worth dating, having sex with either of these girls and then breaking up or not dating them is pretty detrimental to my reputation and therefore my game overall. Plus it's always nice to meet a girl somewhere who is particularly and unusually into you, only to realize you've made this connection before. They are almost always willing to play by my rules after seeing I was comfortable enough to just let them go. It's almost like putting away gifts for yourself, most of which you'll admittedly never see again, but getting to open most of the ones you happen to find later on.
So all right..., after reading your reply and what you've said more thoroughly, and additionally getting some sleep, I see that this is absolutely a useful and well crafted tool. Nicely done. It will certainly be on my mind when inevitably I find myself in one of the situations I've described with a girl I really don't want to let slip away.