I found this article interesting but I'm not sure I understood the point.
I think the main concern with short form video isn't taste or appetite, but just the ability to digest.[0]
Though the effects on attention might be more acute than we think. A friend of mine found that he's able to read books just fine, if he just switches off his electronics first. Suddenly his brain comes back online...
[0] See also: The mere presence of a smartphone reduces basal attentional performance [even when switched off]