[patatino]

I find the curtains argument stupid. They look lovely, are sound-absorbing, and I'm not too fond of black windows at night, which mirror everything.

Other than that, good points!

[dave_sid]

Another alternative to curtains are blinds which also help to block your reflection at night. However they’re not good at absorbing sound so you are probably right to stick with curtains.

[giantg2]

Without curtains, criminals can scope out your house more easily.