- Redis is a server: all commands involve network or IPC round trips. It is meaningless to compare it to embedded data stores such as SQLite, Berkeley DB, Tokyo/Kyoto Cabinet, etc ... because the cost of most operations is primarily in network/protocol management."
That's not to say that the comparison here is bad or good. But it is valid given the diversity of use cases, the complexities of the technical differences you mention, and the pressure that blogs and other media place to adopt large scale solutions for small scale applications.
If the comparison were well handled, delving into the architecture tradeoffs, it could be fascinating. But this was just a cheap ploy to get clicks. Now the title has changed, my acidic tone is no longer justified.
For what it's worth, according to the guidelines for 'Show HN' an acidic tone is inappropriate. People expose themselves to significant psychological/social risk when posting their own work online as their own work. Show HN is intended to provide a safe productive space. In general, an acidic tone is a bit at odds with HN's general guideline of civility.
expose themselves to significant psychological/social risk