Of course you should! I am way out of my depth here. I am used to deploying methods that are accepted: you might justify the choice of one statistical estimation technique over another (example: logit vs. probit for binary variables), but not to arguing that the whole exercise has meaning – that is done for me by the broader discipline.
I tried to gather our thoughts about this matter here: Qualitative research, knowledge and discovery: a discussion on the epistemological strengths and limits of ethnography and SSNA - #4 by alberto.