The 9th Generation is still going to feature physical media. Perhaps the 10th Generation after is when we'll start having serious conversations and than the 11th Generation (If we're still doing generations by then) will be when physical media is outed entirely.
Pancho A. Ovies
Nintendo Switch in Japan (Famitsu): 2018 vs. 2019
PlayStation 4/Xbox One/Nintendo Switch: 2018 vs. 2019