Do you have any idea how hurtful the phrase is to people without thumbs? And if we only follow "rules of thumb" where does that leave canines, whales, and tardi

Do you have any idea how hurtful the phrase is to people without thumbs? And if we only follow "rules of thumb" where does that leave canines, whales, and tardigrades? Not to mention mycelium. What UI best practices are they to follow? Let's try to be a bit more inclusive...