I think the issue I would have with your sentiment here is that you say Linux users are hand wavy about things that make it non viable, but I also see your main

I think the issue I would have with your sentiment here is that you say Linux users are hand wavy about things that make it non viable, but I also see your main argument as having a fair amount of handwave, especially the phrase "they tend to". This isn't to say that your complaints aren't valid or that you're misrepresenting your own experience, but it doesn't further the discussion and depending on the context with which you are raising it can be seen as a disingenuous way of trying to discredit or undermine Linux as a viable option. That is to say, in isolation your comment is fine. If a thread on a topic that is related to the Linux desktop only features people citing their unspecific list of issues with desktop Linux then it stop being a reasonable good faith discussion and starts becoming ideological Linux bashing.