Any one from any trade would be expected to use the tools of the trade appropriately.
Tweaking the tools unnecessarily or blaming the tools if things do not pan out as planned is generally frowned upon .
Same with medical professionals !
Please contribute your thoughts at BMJ rapid response page.
Interpreting test results: dont blame the tools
Access the article at: http://bmj.com/cgi/content/full/bmj.m1162
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only. See your own doctor to discuss concerns and options relevant for you.