"""Everyone who ever said „only illegal immigrants are bad. Legal immigrants are ok.“ went on to outlaw legal ways to immigrate."""
The issue is not that Trump does so. That is 1 person doing 1 thing 1 time.
The claim is that everyone that says X does Y everytime.
I, from the get go ,know there is no way to make it ironclad arguement since Canada exists, but I would like to see enough examples that make it work at a rule of thumb.