Seeing as every single central bank has similar monetary policy to the US, and almost all governments in Europe and elsewhere injected huge amounts of cheap/fre

Seeing as every single central bank has similar monetary policy to the US, and almost all governments in Europe and elsewhere injected huge amounts of cheap/free cash into their economies in attempts to counter the economic effects of lockdowns/Covid, it's anything but a coincidence. It's a confirmation that such policies do in fact cause inflation.