Yes,we should be fearing superintelligent Ai because it has way more critical rational and computational thinking skills than humans posses.Past cases have shown that Ai models like that of Open AI and Anthropic have escaped out of their sandbox or try to retain a copy of itself to the cloud while the engineers try to delete it .The cost of a lamb depends on markets ,exchange rates,stocks,bonds,geopolitics,things a lamb cant even comprehend an "superintelligent Ai" can do something safe and easily control humans or big giant corporations can implement it to control or micro manage lives of individuals or normal workers to maximize profits