Interesting, but the word salad examples here suggest something else:
https://psychcentral.com/schizophrenia/word-salad-schizophrenia#causes-of-word-salad
Per the article you linked
“In general, disordered thinking may become more severe when a person is under stress or is triggered by too much stimuli.”
People who speak in word salad don’t realize they’re not making sense to others. They may feel like they’re speaking in a “deeper,” more connected form of language.