You included Awk in the title, but omitted Go, really?
Indeed. The original title is:
> Performance comparison: counting words in Python, Go, C++, C, AWK, Forth, and Rust.
Which means the submitter actively chose Go to be removed from the title. Judging from their post history they are aligned with Rust community.
The original title is 2 characters over the HN title length limit. I suspect they dropped "Go" first, because it's the language which has a 2-letter name, and they they editorialised it further to hint that there are more languages.
Leaving Awk over the vastly more popular Go, hints a more probable and frequent behaviour: bias.
Removing any of them would suffice.
The author maintains an AWK implementation: