I mean, at least Prof. Bitcorn gave us a date. An open ended "it's a scam and you people are going to learn...someday" is not very useful.
And speaking of value, after years of paying $30 a pop to receive a few thousand dollars from Europe in 3-5 business days, being able to effortlessly send a few digits, pay a few cents, and receive that money in less than an hour is...highly valuable.