And then somebody spoils the magic by telling you it was done with a computer-driven embroidery machine.

Note the paranoid "Wikimommy" source. Worrying about dirty dish sponges is total bullshit.

Human beings are surrounded/covered/internally infested with billions of bacteria all day long. Mediating those bacterial colonies is our immune system's job...And the immune system needs to be used and fight bacterial colonization to become strong.

Unless you have an immune system disease like HIV or are taking immunodepressive drugs for organ transplants...You really don't need to worry about dirty dish sponges.