I don't really follow anime; hell, I wasn't even aware of there being an anime age until you mentioned it. Still, I do see your point.
For many of us, SideReel has taken over the role of television in our viewing, and I think that to be their goal. If such is the case, then it seems reasonable to me that they provide as much information as possible of our viewing choices. Maybe even add children's shows and cartoons, soaps, talkies, and sports.
Personally, I'd not be any much more inclined to follow, but it would be nice if they gave their viewers the option.