They voted for something else, they were conned by populist messaging.
Unless, of course, you're insinuating they do actually want that. In which case, your outlook of Trump voters is significantly lower than mine. Call me generous.
Now, of course, a lot of people saw this coming and have been warning about growing authoritarianism from Trump and his administration. But his administration is also built almost entirely on lies, so I can't be too critical of people who are confused.