There is probably more to be gained by listening to other’s systems than them listening to your own - A few of my relatives have decent hi-fi systems & all my three grown up children do (and the one at home is heading that way) and we all have our preferences of how we feel music should be presented - My sons are both bass freaks, another relative likes infinite baffle speakers & likes little bass, it does give interesting conversation though.
A bro-in-law has a very expensive system that he is very proud of & when I first heard it I was shocked as to me it sounded dreadful, (I didn’t say that though) but he loves it - I have however had opportunity to listen to other gear (borrow) with others systems I would not have heard it a home environment & tailor my own system by listening to others - There are some people who ask what do others think of them & they rarely like the replies they get, I never ask as I’m not really interested, same with my systems really *diablo*