It depends, a lot of my cousins and such lived with their parents till late 20s but worked professional jobs and saved a ton of money and got married and moved out to comfortable life.
Pretty much meant by late 20s they had no student debt and a lot of savings.
However you do sacrifice a much more open life living at home.
I think some people live very comfortable at home and going on your own would mean a huge decline in the quality of life.