Go to their web site and start complaining, talking about an upcoming boycott. Use the words: "your company condoning child rape" or something along that line. Particularly mention this donation, since many employees might not even know about it.

Phone number at contact page (https://www.petsmart.com/help/#page_name=global&link_section=footer&link_name=help_center): 1-888-839-9638. Email link doesn't seem to work.

I dug around the site and found the media relations contact info: [email protected]. It is incredibly effective, in general, to contact media relations of a company. YOU ARE a freelance journalist. Do it proudly, but, perhaps, not with your real name. You know the drill.

You might want to mention what happened to Disney.