Most mines were uneconomic, loss making, overmanned and under productive.
Like the railways, motor manufacturing and town halls they were infested by militant union left wingers/ communists....Remember Liverpool ??
The Union leaders didn't give a fuck about good men doing their best, they wanted control without accountability.
Workforces & families were sacrificed by Scargill, Robinson etc on the alter of hopeless ideology whilst they lived in comfort at union's expense.
Scargill should've been sent to the tower !!