They can't be put in jail, given the death penalty, vote, or be taxed at the same rate as "any other person"; to turn the question around, what makes you presum

They can't be put in jail, given the death penalty, vote, or be taxed at the same rate as "any other person"; to turn the question around, what makes you presume that this is one of the cases where they should be treated like a person and not one of the ones where they're not, when there are numerous examples of both?