In any event, I highly doubt that its due to boiling extra long. Not a very good biz plan. Imagine the meeting for that one. (cue Waynes World dream scene fingers...)
William: "So, I think it would be simply smashing if we could say that we only use pale malt in our beer. The down side is that our power bill will double or triple, but think of all the chaps in pubs rubbing their heads in wonder."
Timothy: "BRILLIANT! "
Nigel: "Or... and I'm just thinking out loud here... we could double our profit margin by just starting a rumor that we only use pale malt."
Timothy: "Mmmmmmmmmmm, no. That's stupid Nigel, we're going with the pale only plan. I will make up the profit difference by simply not paying the rent. Now then, what shall we call it?"