YC already has the ability to accept more startups from the thousands of applications it gets. Most high-quality startups are applying to YC even if they apply

YC already has the ability to accept more startups from the thousands of applications it gets. Most high-quality startups are applying to YC even if they apply to other incubator/accelerator programs and the number of high-quality startups that apply to incubator/accelerator programs but don't also apply to YC is going to be fairly small.