Once was too many.
At about the 14:50 mark here, the chief pollster explains how raiding businesses and holding employers accountable for hiring illegals is now 40 points more popular than Trump is:
https://www.youtube.com/watch?v=i4K5nNzuw6Q&t=332s
(The whole link is good, especially from where it starts.)
I remember last year in a nearby jurisdiction when ICE was going to all the restaurants and checking on all their employees. A lot of people were really upset that their favorite restaurants would be going out of business.