Thanks Alex. I went back and looked and it doesn't seem I can even turn that option on. Its set to First Party and when I try to set it to Third Party I get this:
7c9c6e5d-95d3-4c0b-9055-dfd713a5236a-image.png
So that doesn't really answer the question as to why fusion auth is redirecting to the "consent" endpoint. This process is kicked off via the normal "authorize" endpoint so I don't think email templates are in play either.