I'm 39 with a job and a kid. I only play casually about an hour or two a night if I'm lucky. Casual or not people sink dozens if not hundreds of hours into this game. The issue isn't time the issue is trying to make it appeal to the lowest common denominator. You'll find older gamers are the ones that have less of a problem with activities that involve exploration and thinking in a game. I grew up in an era before internet walkthroughs and YouTube guides. Bungies thought process would of been: "Will your average 14 your old skylanders fan find this boring? Probably. We better mark everything on the map otherwise they'll go back to playing overwatch or CoD". Bungie are wasting their time though. That sort of player is going to get bored of Destiny in a couple of weeks anyway, no matter how easy it is. That sort of player gets bored of everything after a couple of weeks.