How does limiting the number of grants increase the amount of time available for reviewers? If anything, a company would be incentivized to submit more applicat

How does limiting the number of grants increase the amount of time available for reviewers? If anything, a company would be incentivized to submit more applications in the hope that something sticks or at least drowns out the potentially more innovative competition, if only theirs look shinier at first glance and warrant more investigation.