AZ20-263:
https://www.azleg.gov/ars/20/00263.htm
States that no insurer can increase the motor vehicle insurance premium of an insured as a result of an accident that was not caused or significantly contributed to by the actions of the insured. This implies that incidents leading to windshield damage, not due to the fault of the insured, should not result in an increase in insurance premiums.
Should an insurer decide to increase a premium due to an accident, they are obligated to notify the insured of the specific reasons for such an increase.
AZ20-264:
https://www.azleg.gov/ars/20/00264.htm
And, actually, Arizona is one of six states with a free windshield replacement law. Meaning auto glass coverage is included with all Arizona comprehensive auto insurance policies. This law includes your deductible not applying to windshield claims, and you paying nothing out of pocket; you may have to select the $0 deductible option, but your insurer in AZ *must* offer it.
If you have a high number of claims per year, it's assumed that you’re consistently driving in high risk areas such as heavy construction or unpaved roads. The best advice is to inform your insurance provider if this is your situation to avoid fluctuating glass coverage pricing.
None of this applies if you have liability-only coverage, obviously.
So, if they told you your windshield claims were a factor in the rate hike, then they think you are at-fault for those claims, and you should get them to correct it. Or… they lied to you, or they broke the law.
You can file a complaint here:
https://difi.az.gov/consumers/help-problem/filing-complaint
The penalty to the insurer is a refund of the overage, plus a $300 fine.