"Buffett also said he would steer clear of bitcoin. Buffett said the cryptocurrency is an effective payment system, but so is a check. The idea that bitcoin has some intrinsic value is just a joke.
If you could argue back, you could point out the intrinsic value of the us dollar is a joke as well, but it seems to work as method to store value and is the backbone of the US and much of the world's economy.
Dollar does not have intrisic value really, that's why 1 dollar is worth nothing more then one dollar and you can only obtain thru' your work that has a value to others.