That trash (and even worse artwork) was revisionist writing in and of itself and as with Coates's Wakandan History easily ignored and best forgotten.
"Kind of crazy"...? Assness and rubbishery!
No she wasn't. At the time Xavier recruited her she was the most experienced in the use of her powers. Nothing we've read about Storm during that time including her meeting up with young T'Challa even remotely suggests that Storm may not have been in her right mind.