Is Lua a "low-threshold / high-ceiling" language?

Google's Search Labs | AI Overview:

Yes, Lua is generally considered a "low-threshold/high-ceiling" language, meaning it's relatively easy to learn for beginners due to its simple syntax and design, but also offers powerful capabilities for experienced programmers to create complex applications through its extensibility and integration with other languages, particularly C. 

Key points about Lua's low-threshold/high-ceiling nature: