IMO, almost everything in the last budget was about growing the UK's economy for everyone and getting more people into work. I would make the argument that limiting benefits in the way that has been done is good for the country and good for the individuals affected. We cannot have a country where people can feel well off on benefits, absolving themselves of responsibility to look after themselves to others. By reducing the maximum they can get from benefits it will give them a further nudge to go out and get a job and make people think twice about having more children unless they can afford them.
What is wrong about paying more tax is that more people will evade it, many by moving abroad. Corbyn said the other day that he wouldn't rule out the top rate of tax going above 70%. Generally, people who have this level of income are resourceful and they'll vote with their feet. Tax revenue will reduce and so taxes go up again, borrowing goes up, gilt yields go up and soon the UK will be in a right old two 'n' eight.
On the other hand, reducing Corporation Tax is really smart. More companies will choose the UK, so there are more jobs, both corporation and income tax revenues increase and we have a virtuous circle instead of a vicious one.