For being the go to example of “HN user craps on launch of highly successful product”, the reply to Drew’s reply is pretty respectful and backdowns down on several points.

Power users are a multiplicator. If your products satisfies both, you win as it gets recommended by said powerusers.

It's not even about technical vs casual people it's about Moore's Law. Memory became so cheap that it makes sense to store everything in an internet cloud.

Casual people are more likely to pay to solve their problems, and believe your product is “magic” (saw this first hand from user feedback and interactions at a popular startup). Some technical people will, many will not. Know your audience, go where the money is, not the complaints of non users.