The annoying thing about twists is they AREN'T needed in good seasons and ARE needed in bad ones, but there's no way of predicting that in pre-production
Like, the Backwards Week twist was a pile of garbage that robbed us of Gary too early...but this season is so boring that something has to give to inject some life into it. If any season needed a pre-jury buyback it's this one
I agree that a pure season is always ideal, but a stellar cast is a necessity for that and this is one of the most vapid groups of houseguests a North American Big Brother has ever assembled