They are not. Most of this misconception is when people evaluated flash memory quality, when flash memory was expensive. Today flash memory is the most cheap

They are not. Most of this misconception is when people evaluated flash memory quality, when flash memory was expensive. Today flash memory is the most cheap stuff you can get your hands on. And quality nose dived, and nobody re-did the comparisons. Meanwhile HDD are not used anywhere but datacenters, and quality went up. For the same reasons flash storage was good quality before: low inventory only bought by quality conscious clients.