There are a ton of amazing games that people still enjoy today that would be essentially impossible to get ahold if they were only available through DRM'd digital downloads. I agree the physical media is more of a nostalgia thing in principle, but a) that doesn't make people's enjoyment of that part invalid, and b) it's not a like-for-like, because digital downloads on the whole do not allow the resale that physical media does, nor apart from some notable exceptions do they even guarantee continued access to the game. I feel like what you're saying here is implying that there is no value at all in older games and you would rather people stop enjoying them.