I think this style is great when action is required. The "purpose at the top" principle could be useful even for scientists or artists, though. For example:

I think this style is great when action is required. The "purpose at the top" principle could be useful even for scientists or artists, though. For example: Purpose of email: evaluate yesterday's experiment. Unfortunately, yesterday's experiment's results were bullshit, because I forgot to recharge the carbon dioxide canisters ... (etc).