It’s not that they are particularly loud, it’s that the noise they do make tends to be quite “whiney” and high pitched and can get quite annoying after a while.
The problem with putting it outside is that big temperature swings (+/- 10C or so) could cause warping or other problems while printing - the plastic needs to cool at a fairly consistent rate, otherwise you end up with inconsistent sizing on your z-axis.
Filament itself also doesn’t like moisture, so if you live somewhere where you get close to the dew point overnight you could easily ruin the whole spool of filament
Most likely outcome (assuming you make it to Iran) is they make a big show of congratulating you and setting you up with a super lavish lifestyle that is totally not a compound that you are definitely allowed to leave if you want but why would you want to with all the people trying to kill you