There are different definitions of 'being poorer', they don't all apply to everybody.
One mention on here was of everybody being £800 a year poorer . . . that's about the cost of a decent mobile phone, a set of tyres on a 4 x 4, a weeks supply of heroin (probably), and a bottle of your average Brandy every week.
Poorer can also mean the loss of jobs & services, but that's been happening for many years anyway, progress doesn't necessarily mean things improve