why some parents think it is wasteful to send their daughter to higher education

Because they think higher education may not decides their daughter's future. And also it gonna be wasteful if their daughter becomes a housewife after married.
Karena mereka berpikir pendidikan yang tinggi tidak menentukan masa depan putrinya. Dan juga pendidikan yang tinggi akan sia sia bila putri mereka menjadi ibu rumah tangga setelah menikah.