Rather we bring korbanot for the same reason we perform all the commandments – for our own sakes.
And sacrifices in particular carry a profound message. Samson Raphael Hirsh relates the word korban to l’hakriv – to bring close.
Moses served as the High Priest during these seven days, and on the eighth day his brother Aaron took over, as recorded in Leviticus chapters 8-9.
The Tabernacle was the center of Jewish spiritual life, and the precursor to the Holy Temple in Jerusalem.
This mission is the ultimate goal toward which everything must in one way or another be directed.