The difference is of degree, not kind.
To put another way, if the leaders of a modern mob had the power to execute their targets the way Danton or Robespierre did, who is confident that they would not let the guillotine blade fall?
To put another way, if the leaders of a modern mob had the power to execute their targets the way Danton or Robespierre did, who is confident that they would not let the guillotine blade fall?