Yes. Note that there’s also lag, this survey was taken much earlier this year. And so:
> When asked why they used nightly, people responded with a broad range of reasons including: access to 2018 edition, asm, async/await, clippy, embedded development, rocket, NLL, proc macros, and wasm.
wasm, clippy, embedded, and proc macros aren't nightly any more. NLL, 2018 edition are coming soon. (December 6)
The Rust team has also done an unprecedented job of balancing stability and improvement.