Maybe I'm pampered, but I found its lack of editor support is off-putting. I juggle between different languages (I'm writing a "full stack" book about building mobile apps, https://opinionatedlaunch.com), so I always need auto-complete when coding.
Edit: FYI I use IntelliJ with Lua support, and I'm comparing it relative to other languages that I also use (Java/Scala, Dart, Python, JS)
> Edit: FYI I use IntelliJ with Lua support,
In other words, you don't like Lua, because your favorite IDE doesn't properly support it? (Or maybe it does, when you install the aforementioned language server)
That's normal. Many - perhaps most - programmers lack appropriate mental tools to compare languages meaningfully. They instead use any kind of heuristic they find useful at the time. The never-ending discussions that mistake familiarity with readability are another example of this mechanism.