Alot of the younger generation seem to prefer action based rpgs because they're just quicker and they're less complicated, and they have grown up with games like Kingdom Hearts and Crisis Core and just prefer that system- Square could be just aiming towards the teens and tweens because they're going to be the ones able to buy the games and play them the most and won't be affected by things like work, babies, married life etc.

Not to mention it's the younger ones who have been complaining about FF VII's graphics and refusing to play the OG because of the graphics, while adults don't mind/ could care less- so Square might as well try and aim for the younger fanbases, while throw the oldies a bone now and again.

TL;DR- We are old grandpa's and grandma's and times are changing.