There will be plenty of awesome gear that just doesn't suite some people or their life styles.
It's opinion based so take them with a pinch of salt
I've seen some TF101's here as worst buy and I'm loving mine, definitely one of my best buys.
Sometimes what makes people hate a brand of gear can be very trivial and not always good judgement, like a faulty device can persuade someone against an entire brand.
Although there was only a few TF101s as worst buy, lots and lots of BlackBerry