This has begun to be comedic in quality. First off, there are TWO different types of extensions. You OBVIOUSLY do not know about tools if you did not know this. you have a SOCKET extension, which you are indicating,
and there is a TORQUE extension, which is used in places where a torque wrench will not normally fit.
Perfect example is torquing the bolts on the hub bearings we are talking about. You can't fit a torque wrench and socket in there, so you use an torque extension adapter. This is explained in the web page that I quoted above.
What is really funny is your quote that any time you use and extension you lose torque. I do not know if you have ever taken a physics course or not, but you should. When applying direct force (Not impact force) the torque applied to a bolt with any extension is the same, as long as the extension does not change the LENGTH of the torque wrench itself. It is an old wives tale that a socket extension changes torque. That is ONLY true if you are using an impact type tool because you are not doing a steady force pull. When using a straight bar, and using steady hand force, the torque applied is still the same. Yes, the extension will twist, but the TORQUE applied will still be the same. This question was posed may times in automotive forums, and if you do some searching you will find that I am correct.
It is not a cheater bar, as you put it, it is an ADAPTER to allow you to apply torque to a bolt that cannot be normally accessed by the torque wrench. I never use a cheater bar on a torque wrench. My tools are too valuable for that. So instead of ME going to the gym, perhaps you should do your OWN internet searching before you try and correct someone with your wrong information. But then again, please try. I do enjoy the comedy.