I guess I brought it up because my TJ was getting peppered with rocks and I even lost a headlight. I would find gravel up in the hood seams and air intake, everywhere. I since removed my mudflap on the coach and so far it has corrected that issue, but a little early for a judgement.
I saw that huge window on the F150 and thought uh-oh! I asked on another forum and I did hear of 1 that broke, but overall many many miles with no issues. I was more or less looking to see if there was an overwhelming - NO, DON'T, but sounds like I may be OK