Petco is a pet retailer that offers a wide variety of pet products and services. They have a wide variety of animals available for adoption, including cats. They also offer a variety of resources for people who are looking to adopt a cat, including a list of local shelters and rescue organizations.
Petco does not take unwanted cats. If you have a cat that you can no longer care for, you should contact your local animal shelter or rescue organization to find out what options are available to you. There are many organizations that will take unwanted cats and find them new homes.
Conclusion: No, Petco does not take unwanted cats.