Earlier quoted context omitted.
PPP is usually meant to compare economies and control for differences in cost of living, not comparing time periods. Inflation is when you compare the same economy in two time periods. Furthermore, economic growth is measured in "real" dollars, aka, excludig inflation. If US prices doubled as you say, then their economy is therefore now four times as large in the new, inflated dollars. None of this has anything to do…
Economic growth is best measured excluding inflation, but the chart in the tweet uses "current prices" aka the 2008 values are in 2008-dollars and the 2023 values are in 2023-dollars, including all the inflation that happened in between. (I've seen actual economists get confused by this meaning of "current", mislabeling a "current dollars" chart from 2019 as being in 2019-dollars, even though it wasn't inflation-adju…
Sometimes lying with numbers is way, way to easy...