We’ve repeatedly seen this in polling.
The people who are the most enthusiastic supporters of mass immigration, open borders and the Great Replacement aren’t Hispanics. Their views are much more mixed on the issue.
Progressive activists are the biggest supporters of the Great Replacement. These people tend to be college educated Jewish or White libtard atheists who live in big cities. You have a much shot at persuading Hispanics whose views are more moderate to oppose illegal immigration than those people.
Note: The movement, of course, doesn’t want to deal with this reality.