Filter out strategies that have fundamental flaws.

Elim­i­nate those strate­gies that fun­da­men­tal­ly can­not work, or where rep­u­ta­tion­al risk or risk to vul­ner­a­ble peo­ple is unac­cept­ably high, as devel­op­ing these strate­gies fur­ther would be a waste of time.