Was it?Most of the COVID19 demand spike was in the 40nm or 65nm older processes, for cars and washing machines.

Desktop CPU Sales Suffer Biggest Quarterly Decline In History But AMD Grabs Record Share
The desktop PC market took it on the chin in the first quarter of 2022, as excess inventory and normal seasonal downturns jointly contributed to a steep drop in x86 CPU shipments.
Not to mention the move to 7/8nm or better nodes only just begun during that time back in 2019/20 period. TSMC has increased capacity massively from back then, better yields & now moving on to 4nm or smaller nodes. So no I don't see how Covid wasn't a major factor in that, remember the spike in "work/study from home" PC's or other related hardware sales?