I find in tech, being skeptical by default is usually a good thing - perhaps not if you're an entrepreneur, but certainly if you're a developer or engineer.
It's an essential thing if you want to be a successful entrepreneur -- as long as you don't confuse skepticism with cynicism. Skepticism and optimism make a powerful combination.
Because both end up eventual minority shareholders in the same company. The difference of course being one of magnitude and that the investors are likely more diversified.
Going by the general sentiment in that thread, I'm sure there are better examples. There are a few people saying how or why they thought Dropbox wouldn't work, but overall the reception is very positive. By contrast, any mention of WeWork here causes an instant pile-on of quite impressive vehemence.
There are always going to be isolated nay-sayers for whatever reasons. When you get a near-consensus on HN that something's a PoS that's something that's worth bearing in mind.
Agreed! It has been coming around in recent years, surely helped by the fact that "blockchain for X" has never panned out. But it has taken a painfully long time.
