To be fair, for accurate diagnostics you need to know where it works and where it doesn't. So knowing where it does work is not a bad thing. The bad thing is the speed that people get their panties in a bunch. If instead of getting bunched up they'd said "oh guess it's just a problem on the TCL side then", rather than "[s]he's saying that I'm wrong" we wouldn't have had silly arguments in this thread.
Its highly likely his connection has the same problem everyone else is experiencing, but he simply hasn't encountered it. Weighing into the conversation with "there is nothing wrong with my connection" is incredibly unhelpful, unless he is prepared to actually run tests relevant to the issue being discussed he actually has no idea if there is anything wrong with his connection or not.