Dilettante: a person who cultivates an area of interest, such as the arts, without real commitment or knowledge.
Is that the correct word to use for a someone with more than four years and 32 pages worth of back article heading listings of paid contributions to an international publication? They do appear to be committed to the work of column inches.
Regardless of any trite dismissal the question of why Musk seems determined to nosdive Xitter into the ground is an interesting one.
Perhaps he does have a Master Plan to pull up after shaking out what he considers dead weight, perhaps he is just winging it between hits on his pipe.