I'd estimate that on average...That's not scientific rigor.
How does "I'd estimate" suggest "scientific rigor"?
It doesn't. Strawman.
... the blanket acceptance... You're putting words in sundial's post.
No. Fairly summarising his own words: "software professionals all".
Seems fair to me to assume that a software professional will use professional judgment
Resisting the urge to hoist you with your own unscientific petard, your assumption flies in the face of the evidence: "software professionals all".
You further compound that by leaping to the defense of the indefensible.