If you're comparing those two to the Wild prospects of recent years, then they could be considered high-end talent, but if you compare them to the Kings, for example, who have guys like Linden Vey, Jordan Weal, and Maxim Kitsyn outside of their top 10, then yes, the Wild are definitely lacking in high-end talent.
Little depth in goal?
Hackett, Kuemper, Gustafsson, Endras....that's little depth in goal? Really? So what is a lot of depth? Five first round goaltenders? 10 goaltenders?
There's one potential starter, a WHL overager, a platoon goaltender in the Swedish equivalent of the AHL, and a 25-year old. Even you have to admit, that doesn't exactly spark excitement. Khudobin was playing major minutes for Houston this year and they had to bring in Theodore when Harding went down because no one in the system was prepared to play backup. Beyond Backstrom and Hackett, the goaltending situation in Minnesota is not great.
As for age:
Not really. Scandy, Cuma are fairly 'old' for prospects. But Haula, Hackett, Kuemper, Larsson, Granlund, Bulmer are fairly young...we have a good mix.
Once you get past the top 10, most of the Wild's prospects are aging:
Gillies, Almond, Spurgeon are '89s
Falk is an '88
Wellman, Noreau, Rau are '87s
Prosser, Genoway are '86s
The Wild's prospect group is fairly old because they have not graduated a quality NHL talent since their 2006 draft class. A lot of guys, especially depth players, are having trouble cracking the NHL full-time.