Apart from we are not doing better than anyone else, the % growth you quote is the amount we have changed, relative to where we were... & its also a very small amount.
Did you not see the public sector borrowing figures for July? the interest amounts we pay on debt?
We aren't out of Covid, let alone Brexit, the billions Brexit has cost us are on going, a barrier to trade and hence growth, even if we magically paid off the money borrowed for Furlough etc, Brexit is forever.
Then there is the NI cuts to be paid for, some £21 billion in total, which Hunt never set aside a penny for, he also never set aside any money for the Pay Review bodies pay rises, not paying their recommendations has severe economic implications too.