GPD is relatively irelevant to the welfare average person as the GDP is a number that can be artificially inflated by a number of factors respectful of the average worker. Higher GDP doesn't automatically translate to higher wages and better standard of living for everyone.

You can be a tax heaven and if FAANG and big-tech corps simply use your country as a base station to funnel the sales and profits of an entire continent/economic area becasue they pay no taxes there, then your GDP will be insane but that might not mean much to your average worker who isn't getting a piece of that pie.

Germany is Europe's richest country, but that doesn't make the Germans as individuals automatically the wealthiest citizens in Europe. Think about hat for a second. In fact, when it comes to wealth, the avenge Germans net worth is significantly lower than most wealthy EU states, sometimes even on par with those form former Eastern block EU states.