Thanks deathandtaxes and timoY and a few others for your measured and considered responses. Most of the other respondents really shouldn't bother if they aren't interested in an actual debate and just want to spit and dribble.

I agree that cash is cash and if you hand it over to a scammer then shame on you. But there are many instances where reversibility serves a great purpose. I'm not suggesting that the bitcoin protocol be reworked. It's foundation is solid. But in reality people are going to want security and certainty that their funds are safe.

So perhaps the right solution is a trust based system with some level of reversibility added to instil confidence in the underlying system.

The most important thing for bitcoins adoption is trust - and I don't mean that technically. I mean that on a emotional human level. Right now most people don't trust BTC for shit because so many people get scammed, coins stolen etc... Just because most people here get and know computer security, you can't expect the same of the other 99% of people who don't even know how to turn their tvs on if they lost the remote.

So please instead of just saying NO,NO,NO why not go out there and figure out how you're going to get your grandma to use bitcoin without her loosing all her life's savings.