Saisonator
Landlord.
I think you should judge their effectiveness by the impact of their one and only policy, when we start to feel it fully. When the economy tanks. When tax revenue falls. When the public sector is hawked off or deleted in swathes. When the NHS collapses. Then, and only then, can the wastrels and opportunist scoundrels who pitch themselves as UKIP (and we all know it is a one man band missing it's drummer) claim their legacy.
A Corbyn / Momentum Marxist government is the one most dangerous thing this country would have survive.