The point is that PM count proves it was possible for other people to remove serving PMs from power. They were not able to ignore public opinion indefinitely a

The point is that PM count proves it was possible for other people to remove serving PMs from power. They were not able to ignore public opinion indefinitely and could be removed from power without the need for term limits. No one can remove Xi from power if they don't like the way he performs. No one in China can even publicly discuss his performance except to praise him. That's what makes China a dictatorship and the UK a democracy.