What can cause wiper blades to crack a windshield on an 06 civic?

I have a 2006 Honda Civic. There was a tiny crack in the windshield. Recently it got bigger, I thought it had something to do with either the fact that it's cold and it's getting hit with hot air and cold air but I also noticed on that particular day I had used the wipers but I didn't really think it was the wipers. Since the crack was small enough we repaired it with the resin kit and I could no longer see the crack. It's rained since but I haven't driven in the rain until today. It was kinda sleeting/raining and I drove 5 mins down the street and saw a definite new crack but in the same spot (kinda under where the tip of the left blade would lies when down). Half way home the crack expanded towards the left. I'm going to have to replace it now but I want to know is it really the wipers that are causing this?
Btw we had blades replaced and from what I can tell, there's no issues with the top of the left one doesn't actually touch the windshield and the guys at AutoZone couldn t figure out why

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