You should stick to reading the Daily Mail - they are more amenable to your bash the poor rhetoric. There is nothing in this article that says she can't look after her children, and I wasn't aware of any laws that restrict the size of a family on the statute books.
Isn't more money lost to human and system error on the part of the DWP? Where's the reporting of that? It probably does get reported but it doesn't suit the agenda of the right wing tabloid press as much to get highlighted as much.
Pricing is a bit dubious - they seem to quoting the tech specs of the highest specced machine but then quoting the RRP of the lowest specced. Check out the Acer Ethos in the entertainment section for example.