pretty linear and tasteless in my opinion, but not a bad game. Dynamaxing as a gimmick was underdeveloped and not well thought out, but the designs were amazing.
In terms of story it's very lackluster, even more than most Pokémon games, but it's still serviceable. The region is probably the worst ever though, it's basically only a straight path upwards, extremely boring and devoid of any myticism and secrets most Pokémon games have