I won't argue the second point; you might be right about some of it, and there isn't time space to hash it out.
But horses are definitely not labor by economic standards. They have no will or ability to negotiate their work hours. They are owned. They do not require pay. They require maintenance; their feed and care is like oiling a tool or allowing a motor to cool. They are and always were property with a special exemption against cruelty for recognition that they have sentience.
But horses are definitely not labor by economic standards. They have no will or ability to negotiate their work hours. They are owned. They do not require pay. They require maintenance; their feed and care is like oiling a tool or allowing a motor to cool. They are and always were property with a special exemption against cruelty for recognition that they have sentience.