No teams go unbeaten in the championship. If Celtic or Rangers played in the English system their revenue streams would make them a totally different animal, they would then be able to attract a different class of manager and player.
I think you would quite easily see the brands of Celtic and Rangers playing in the premier league and Hearts and Hibs could compete in the championship with a few others.
Unusual to read a sensible post regarding Scottish football on here.
Football is all about money and there isnt much floating around in Scotland these days.