Cultural remaking of the nation?

National Museum of Contemporary Art tends to show the legacy of a top down approach to cultural politics and production. This approach sees the Museum, as well as other numerous government-funded art events, as space for displaying and institutionalising a cultural remaking of the nation.

1. What does ‘legacy of a top down approach to cultural politics and production‘ mean?

(I know what top down approach is, but can’t understanding the whole meaning of it.)

2. What does ‘a cultural remaking of the nation’ mean?

Thank you.