Anything connected to Russia: putinbots
Immigration/Islam : Ukip fruitcakes
Commentary on the Labour party: frothing corbynistas
Scotland: nasty cyber-nats
Feminism : mens-righters
Quite enjoy it but take all the articles and comments posted with a large pinch of salt.
At least you can count on the inertia of policy and law to keep that going for a few more years after Cameron gets the boot.