The biggest thing I disagree with is that Bitcoin will never be stable. EVER. No matter the price. Never.
It was said at $2 that if Bitcoin reached $100 or $1000... and guess what? It was just as volatile as ever. It will be the same story at $10k.
Thats actually not a good thing imo, as a lot of people/merchants decline to use it because then it becomes a gamble.