Those are some harsh words. Breath of the Wild may not be your traditional Zelda, and I as well find it hard to forgive the lack of dungeons or enemy variety, but to judge the game on those two characteristics alone is to deprive yourself of one of the best experiences in gaming.
I want the classic dungeons back, with some huge caveats. I did not enjoy the Divine Beasts very much, except for Naboris, because while they were nonlinear, they were also so utterly devoid of challenge that there wasn't much beyond the spectacle of climbing around the insides of a big stone...
I want to see some better lock and key mechanics. In Breath of the Wild, they were practically absent in favor of letting you go wherever you wanted, whenever you wanted, and in older Zelda games, they were used to restrict you to a linear path most of the time. I would like to see a mechanic...