Bitcoin is, in fact, a fantastic way of transferring value. It's just that your family member apparently denominated his/her investment terms in dollars, not BTC.
In the 17th centry tulips were also a
great way to transfer wealth as well. For the foreseeable future most will need BTC>FIAT exchange.
do not ever user tulips when comparing to bitcoins. that is honestly a very stupid irrelevant comparison that gets tossed way too much. why not just talk about some other irrelevant item like sea shells or shark's teeth.
you have valid points - you are right it isn't the easiest to do today
however, just don't bring up tulips. thank you
Then I would also request people not use arguments that require a purely bitcoin world where all of a business or persons costs are denominated in this. It makes only as much sense as the tulip comparison I used as a response to it