I'm especially amused by the fact that you tried to deploy this clever switcheroo after having your source shot down, and without acknowledging that fact.
My advice is: just give up on the argument. People are people.
That, along with your characterization of my response as a "rhetorical strategy", makes it quite clear you don't have any interest in engaging in the topic critically.
To anyone reading, I encourage you to open the study, Ctrl-F for tptacek's "7%". Confirm for yourself whether or not he's being honest, and consider what that implies about our respective positions.
A total of 1345 people received emails.
The questions about ethnic differences were answered by 71 respondents.
The actual rate was 5%.
I regret the error.
The abstract itself cites the low response rate. It's a stated problem with the survey. How are you not familiar with the document you brought to the debate?