Some things aren't all that subjective when it comes to packs... there are some basic tenants of pack design, time proven, tried and not found wanting, that work for a variety of body types.
When I see gimmick-laden packs that violate one or more of those basic principles I don't tend to sit around say "golly gee" it looks like a great pack.
I predicted there would be problems with the Kuiu when it was first launched, based solely on its design... guess what?
One season later and an expensive pack with a lot of unhappy owners got redesigned.
And it's still a poor design...