Agree. Updating old files with black specifically is egregious. Even replacing the color with a CMYK/RGB near equivalent would be far far less hostile than this

Agree. Updating old files with black specifically is egregious. Even replacing the color with a CMYK/RGB near equivalent would be far far less hostile than this approach. Oh you want to know what colors you used on that piece from 15 years ago? Pay up. It’s basically a shakedown and should be illegal.