The comment is basically doing exactly what it accused OP of doing: behaving as if the commenter has "singularly thought through every problem in an armchair" and knows better than OP who actually tried doing it.
replyCould be an armchair, could be a toilet, either seems a reasonable standard for a commenter on a messageboard, are we expecting a focus group or something?
replyNo, but pointing out the irony of the situation is still helpful to anyone reading it.
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