(Exponential line length growth to come.)When does science go "gibberish?"
That one may be more a characteristic of individual academics rather than an overall tendency. Certain mental conditions that may drive someone towards an academic route, such as Asperger's Syndrome, have signs and indications that includes verbosity, unusual sentence structures, and an exuberant vocabulary.
The publishers being fooled just means the publishers have bad editors who aren't doing their jobs.
I don't see aspies as particularly prone to this.
I'm thinking of arcane verbosity used to embiggen oneself.
Aspies are driven towards accurate expression, & arcane words are often best.
No, I'm thinking of posers & self aggrandizing elitists compelled to use a big word when a diminutive one would do.