They are great for playing digital board games: Carcassonne, Ticket to Ride, Agricola, Colt Express, Patchwork, Twilight Struggle, Pandemic, Splendor, Castles of Mad King Ludwig, etc.

Though there is also something to be said for the eye sight factor. I'm in my mid-40s and my focusing just doesn't work as well as it used to. Its becoming increasingly difficult to do a lot of reading on a small screen like my iphone 8+.