They’re wrong
But this is best covered here:
Per various discussions in other threads, lets discuss ECC verses Non-ECC memory for HOME style servers. I am of 2 minds about this. First, it appears I have not experienced any memory errors on my home computers, in the last 25 years. These computers have never over-clocked anything, not CPU, GPU or RAM. These vary from smaller desktops, miniature PCs and laptops. I have owned real servers, for example a Sun X2200 M2 AMD dual Opteron, which did have ECC. But they too did not report any RAM er…