You're absolutely correct, Onion. This is referred to as Uplift Modelling in the direct marketing lit. To observe if your algo has real world performance, you

You're absolutely correct, Onion. This is referred to as Uplift Modelling in the direct marketing lit. To observe if your algo has real world performance, you would want your invite list to include a (blind) holdout set composed of random people sampled from each decile of the entire scored population, meaning [(360/2)/10]=18 should be the bottom 10% of potential founders according to the algo.