I feel we're already reaching a point where game preservation for older systems like Mega CD and PC Engine CD really need to have multiple rips that then weigh

I feel we're already reaching a point where game preservation for older systems like Mega CD and PC Engine CD really need to have multiple rips that then weigh all the rips to try and correct for individual errors in each rip. In fact I'm pretty sure groups like Redump are probably doing just that. Fun related article: https://john-millikin.com/%F0%9F%A4%94/why-i-ripped-the-same-cd-300-times https://john-millikin.com/%F0%9F%A4%94/why-i-ripped-the-same...