> I'm exposed to the risk that buddies of the WU employees will rob my house later
In comparison to getting your wallet compromised by viruses searching for it (and they will probably become more aggressive and adept as BTC usage increases), the chance of this happening I feel is exceedingly low. And avenues of recourse exist: there are clear leads to follow on for an investigative team.
> I've had my bank ATM card cloned by a skimmer on an ATM while I was traveling overseas
I know that my credit card covers me for this and I would get my money back if such a thing were to happen to me.
> I've had WU give me ridiculously unfavorable exchange rates, and there was nothing I could do about it
And BTC transaction fees are ever-increasing. And so is its environmental cost.
My grandma lives in .pk. I fear she would not be capable of understanding the concept of BTC or Trezor as she can barely understand how a TV remote works. She does very much grok the concept of cash money though, and is quite fond of exercising her freedom with it.