I beg to differ:
Ezekiel 40-48 and Millennial Sacrifices (1) - Dr. John Whitcomb
https://www.youtube.com/watch?v=AVJiI-lkTus&t=500s
You are absolutely right there will be Millennial Sacrifices. There also will be at least one feast that all inhabitants of Earth will need to participate in or suffer the consequences (Zachariah 14).