Lots of excuses for missed appointments, not knowing you need to pay rent, not knowing the rent wasn't being paid for you,, not receiving letters or messages.
Yeah, these prima donna women making excuses about having miscarriages when they could have gone and bled out in their appointments. These people with learning difficulties, who don't understand how to organise their lives (and are hugely disproportionately represented in the benefit system because obviously), all these losers who deserve to be treated with inhumanity.
To answer your question OP, the reason they can do this, is because this country is full of people like soundButtons. If it weren't, they wouldn't be voting for this Dickensian, heartless system.