Questions about AGI’s Importance

Why ex­pect AGIs to be bet­ter at think­ing than hu­man be­ings? Is there some ar­gu­ment that hu­man think­ing prob­lems are pri­mar­ily due to hard­ware con­straints? Has any­one here put much thought into par­ent­ing/​ed­u­cat­ing AGIs?