Do corporations have social security numbers?
translation: only people have social security numbers, so anything that does not have a social security number is "not people."
There are some people (U.S. citizens) who don't have a social security number (maybe mostly children). So these citizens are "not people"?
Also, what about
before social security, back before the 1930s. No one had a social security number, so therefore there were no people prior to social security? That's probably false.
So, not having a social security number cannot be what makes corporations "not people."
Anyway, the premise of "corporations are not people" is that other groups (NONcorporate) are people, and it's only corporations which are "not people." And yet other groups also have no social security number. So if this makes corporations "not people" then you must say that ALL groups are "not people" because all other groups also have no social security number.
Good example: a FAMILY doesn't have a social security number. So therefore,
Families are not people?
So you need to go back to the drawing board. You're still not telling us what it is that makes corporations "not people" -- you have this IMPULSE driving you to say the slogan "corporations are not people" and yet you can't explain why they're not people the same as all other groups.
And even though you might reluctantly be willing to consider that other groups also are "not people," you can't bring yourself to say any other groups are "not people" -- you choke up trying to get those words out. So far no one has been willing to say straightforward
"ALL groups are not people."