Yes but the article explicitly states that the vast majority of consumers don't have more cash to spend. So the cause of the inflation must be something else.
As incomes are still fixed and there are cheaper substitutes for almost everything you want to eat people will modify and reduce.
I tend to agree that all the inflation we are seeing right now is supply chain related (with the one exception of graphics cards - the liquidity injected into the system probably made price of crypto go up which accelerated the demand for GPUs, so the GPU issue is both a supply problem & demand problem)