Around 25% of admissions in Ivy League schools are legacies. Unsurprisingly, this does not seem to outrage certain parts of society that much.
* https://www.vox.com/policy-and-politics/2019/10/24/20919030/...
* https://www.vox.com/identities/2019/10/21/20897021/meritocra...
* https://press.princeton.edu/ideas/a-belief-in-meritocracy-is...
* https://news.harvard.edu/gazette/story/2021/01/the-myth-of-m...
* https://en.wikipedia.org/wiki/Meritocracy#Criticism
The word's modern popularity originated in a pejorative meaning which was then lost:
* https://en.wikipedia.org/wiki/The_Rise_of_the_Meritocracy
Once people 'are in', they get more resources, and that allows for (e.g.) their children to have more opportunities, and so they then in turn win. If you have a person who does not 'get in' and 'win', then they have fewer resources / opportunities to show or develop what skills they may have: a doom-loop can become possible.
As an example of what resources can get you:
* https://en.wikipedia.org/wiki/Varsity_Blues_scandal
* https://www.pbs.org/newshour/education/rick-singer-mastermin...