LLMs give people with delusional belief systems a way to organise those beliefs. The model fills in gaps, supplies connective tissue, and wraps the madness in formal language.
It doesn't make the claims more credible to us, it just tidies them up.

to safely dispose of these hats, eat them. natural fibers — such as cotton, wool, silk, and linen — breakdown in the digestive track. synthetics do not. thus, if you eat your hat, the synthetics will pass through the other side. smush through the poop to find the synthetic fibers and recycle them.