Remember the Muslim stance Cruz took: Cruz: Carson's stance on Muslim presidents unconstitutional
Cruz lost support at the time. Cruz may see a similar loss of support here, especially if Trump plays his cards right (i.e. A Bump for Trump).
As far as the Rooster's advice, it's great advice. Let's hope/pray it doesn't come to a fight, but if it does, let's make damn sure the Patriots involved win!
You assume that Trump will come out forcefully for these protestors, until and unless that happens he may or may not say something similar to Cruz. You’re getting ahead of yourself