what can I do when dealer deliberately harms your car?

This back right flange was clearly deliberately bent back over the
adjustment cam. No scratches under the car, no embedded cement, this
metal flange is behind the other which should have gotten hit also. Clean
bends exactly over front and back cams. Thank you Mazda dealer service.
What can I do. Mazda USA is no help, it's not a lemon law because it's
deliberately done. Mazda dealer said they would fix it but instantly started
to screw me around and I didn't want them to destroy more. Other dealers
joined in on harming the car. By the time I was done what should have
been a $24,000 trade in was $18,000 due to all the damage the Mazda
dealers did to the car. Now my Mazda 3's struts are out and blows hot air
when on vent, outside is 60 degrees and it smells like exhaust in my car.
Never buy a Mazda!