did it improve even in the slightest when they carded? what i thought is if i don't see an improvement over the next 4-5 days and when they try to get the dots to appear less i might just bring it to another Formula One authorized dealer. Check out MAGOOPS.
http://www.dotmatrixwindowtinting.com/
Cheers.
PS post images of your tint and dot matrix situation if you can. i just took pics and will post soon.