While the studies alone demolish the credibility of your "evidence," even the anecdotal accounts of successful SC injections on this site are sufficient for dismissing your claim. The "risk of ineffective treatment" from SC injections remains a fiction in your head without better evidence. You yourself acknowledge not inspecting injection sites for leakage, which should be one of the first steps when numbers are lower than expected.We dont know why, but yes the data is more than enough according to your own words for anecdotal data itself. I dont know why, I gave some theories but really dont know why for sure. The studies have a lot of flaws as discussed.
So at the end you suggest risking the treatment being innefective because of a possible pain? ...