There are RFID sensors sprouting everywhere.
If you have a chip then there will be a record of every door you go through, in really very few years. It is not a paranoid fantasy, it is just where things are heading. The question is not if there is some other way that your privacy is invaded. The question is whether you approve of this particular invasion of your privacy.
It seems to me that I should be able to go to the movies without that fact being duly recorded by the authorities. It seems to me that this ability would impinge on my liberty. I really do not get how you fail to see it.