It might still be profitable at 0.3/kwh or whatever figure but most people are not comfortable betting on that state lasting in the world of crypto for a year or more to get their investment back.
I guess you did not read what I wrote about pools stealing 30% of your profit, do you think you get what whattomine shows you? Never. Now if you mine solo then yes you get those 30%, only solo mining really gives what whattomine says .