The "f word" detection is not accurate at all.
> Has used the F word in at least 2 comments and more than 0.1% of comments. ydant has 4 such comments.
My comments:
1 DuckDuckGo
3 Luckily
1 duckdb
1 luckily
1 lucks
2 Luckily
1 bucket
1 bucks
1 fucking