The alternative is that too many businesses will go belly up, with consequentially many tens of thousands of job losses. With the businesses gone, where will all the unemployed people go to find another job? They would all be claiming every benefit they could.
At least with the furlough scheme, although it's costing the country a fortune now, afterwards the hope is that there will still be businesses and still be employees paying taxes.
Of course it's inevitable that taxation will have to be increased significantly. I recall that when I started work in the 1970s, when the nation was much poorer than it has been of late, the basic rate of income tax was 33% and the top rate was about 90%. Also there was very little personal allowance before income tax kicked in. Maybe we'll have to return to that sort of scenario.
Everyone will inevitably see a fall in living standards, sadly. I feel very sorry indeed for young people who are just starting their working lives, it's not a very promising prospect for them.
I do wonder whether some other forms of taxation might be introduced, such as a wealth tax. But that again is problematic, as in general the people sitting on the most wealth are those who have spent a lifetime accumulating it. A tax on elderly people's life savings would not be popular - and could mean that they later can't afford to pay for their own care.
Basically, we're all up shit creek, aren't we?!