When I'm carrying 2 x 23kg bags + 10kg in carry-on, it's usually from the US to Asia. I do a lot of shopping online, ship them to my US address and carry the stuff I bought back to Asia about every other year. Most of the things I carry are cheaper from the US or serve as excellent gifts. Some of the stuff is re-sold to offset my trip.
So, yes, I can easily reduce my load but wouldn't want to
My 2 bags plus carry-ons from the US always weigh more than me!