If you understand cryptocurrency you probably wouldn't be quoting or listening to Warren Buffett. He also called Bitcoin a bubble and quote: "You can’t value bitcoin because it’s not a value-producing asset.". Also, understanding something is not the same as doing it yourself.
You obviously can't see or don't believe in the potential value of SmartCash, if you think that people will never get their money back if they invest $500 for a SmartNode setup. Also, your argument "Nothing happened to my nodes in 4 months, therefore nothing will happen to yours" is not a great way to promote a stable and secure network for SmartCash in order to achieve mass adoption. Hive account@melip's original point in this article was that more than 50% of the SmartNodes did not upgrade before the deadline, which was before July 1st, this is definitely a problem for a network that strives for mass adoption.