Maybe its more relative prices have gone up. Europeans were already used to paying more so paying even more is part of the norm. However things have been really cheap in the US for a long time. Taking the inflation as a whole(ie. not just looking at egg prices) this is likely the beginning of a long term permanent inflation that is coming due to things like China possibly aging out of manufacturing and the replacements being more expensive. People think they can turn back the clock so they try. Eventually they will be forced to get used to the new reality.
