It’s not just that they’re thoughtlessly maximizing responses at the expense of recipients’ time: recipients are liable to notice this, be annoyed by it, and therefore be less likely to respond as a result. So maybe they’re (in some sense) trying to maximize responses and not caring about recipients’ time, but in practice they aren’t even doing that; they could probably get more responses by being a bit more thoughtful and polite.
It’s not just that they’re thoughtlessly maximizing responses at the expense of recipients’ time: recipients are liable to notice this, be annoyed by it, and therefore be less likely to respond as a result. So maybe they’re (in some sense) trying to maximize responses and not caring about recipients’ time, but in practice they aren’t even doing that; they could probably get more responses by being a bit more thoughtful and polite.