He must have felt a fairly useless member of this expedition.
The fairly useless but honest answer would be: I don't know, it just is.
In other words, it is fairly useless for true office automation.
The statement from the witness who found the body was fairly useless.
"Up until he did this job for Hoot, he had been fairly useless."
The first offers a beautiful proof of existence but is fairly useless for calculations.
Knowing the truth without knowing the rationale behind it was fairly useless.
The whole 'contact time' measure is fairly useless in reality.
The manual is fun to read but is fairly useless as a reference text.
This generated a lot of laughter and some fairly useless suggestions.