Wake up Evangelicals! Why does a Catholic have to teach the protestants the truth about the Bible?

That happened to the protestant theology? Has Dispensationalism totally corrupt it?
Charlie Kirk Candace Owens, Catholicism and Israel - Dr. Taylor Marshall https://www.youtube.com/watch?v=6EiCfLsp5BM&list=PL1MSrh0DZV86wPZCce9ODBmQpb0Mz2RHP&index=1
The Charlie Kirk Files: Ep 16 - Michael The Archangel https://www.youtube.com/watch?v=J5IG5hJCilA