well you are correct in that 'shut down is shut down' . that is because shut down is 'binary' , meaning it is either on or off (like a light switch,, there is not 'dimmer' switch or in between) . however a lot of guys forget one very important factor in regards to shut down and recovery . ESTROGEN . if your estrogen is elevated then this will prevent natty test production . because test is the only way a mans body makes estrogen and test converts to estrogen ; if you have too much estrogen in your body , then your body will not signal natty test production. it will keep you shut down (cause it does not need anymore conversation to estrogen, so it simply will not produce more testosterone).
so, keeping the above in mind in regards to estrogen.. you can see why some guys more easily recover from a VAR cycle , cause var does not convert to estrogen at all. no elevated estrogen means natty test production will recover much quicker*
* and on a side note, I will have to look further into this, but there are some ideas that estrogen is largely responsible for shut down itself as well , not just restart issues (dave palumbo being one of those who advocate such things).
again , prob why experientially guys have ran var with what they clam to be 'minimal shut down' and very easy recovery. because there are zero estrogen issues with var . (of course there are other shut down issues to consider, but we cannot dismiss estrogens major role played on this topic)