No offense, but this is just a blatantly absurd comment to make... all of professional sports is overwhelmingly reactive. You can't make smart "proactive" decisions until it is mortally tangibly possible to know what the variables in-play are... who's injured or not... who's had recent success or failure... who's contractually available or not... which competitors have decided to be aggressive during free agency, and which have not... which competitors are looking for what positions in the draft...
And by the time you do know, it's not "proactive" any more. Naturally. So, it's not excuse making, it's logic. Cold hard logic.