Earlier quoted context omitted.
Generally with this system you wouldnt actually be paying a mortgage in addition to those taxes. Its created to prevent people from accumulating real-estate and renting it.
As opposed to real estate companies sounds like one rule for the "little" people and another for companies. Penalises accidental land lords when you inherit property from your parents grand parents.
Don’t worry, I don’t think we’ll see this apply to too many lower-income (aka little) people in America.