Use Rainex on Model 3 windshield?

According to Model 3 owner’s manual, “Do not use windshield treatment fluids. Doing so can interfere with wiper friction and cause a chattering sound.” I am having my car ceramic coated which includes 2 layers of “Rain” on the windshield. Wondering if I should decline this service?

Rain-X® Plastic Water Repellent Trigger - Rain-X

Rain-x or similar for windows?

Use Rainex on Model 3 windshield?

Rain-X Windshield Wiper Fluid Reviews

How to Remove Rain–X (with Pictures) - wikiHow

What windshield wiper fluid should be used for a Tesla model 3? - Quora

Tesla Model 3 Windshield Wiper Blades - Complete Front Set - Guaranteed Fit! – ClixAuto

I applied Rain-X to my cameras. This is what the windshield looks like post car wash. : r/TeslaLounge

Rain-X All Season Windshield Washer Fluid 5066517

Marc Benton on X: I can confirm if you tint your Model 3 rear glass with a ceramic tint (mine is Suntek), it will look like this. My glass is only coated