Yup, I'll mute them as soon as I get the chance. I've yet to hear someone listening to music I like, so meh.
The children screaming in the background for attention also aggravates me and not because of "darn kids!" but more like "pay attention to your damn kids!" Then there's the people who constantly, rudely use racial slurs every time they get killed, but that's probably another discussion.
I do not think the spirit of the thread was intended to govern over those who have noise in the background of their houses.
I believe the spirit is directed at those who are obviously playing their music (or singing, or whatever) with the deliberate intent of annoying others in the lobby (mouth breathers as an example are not - always - doing it to be annoying)
Blaring music into the mic could be considered form of trolling.
And to be realistic, the music does have to be playing quite loud in the vicinity of the mic user for the sound to be coming clearly through the mic piece tbh. When my phone rings, my wife decides to talk to me, or I need to go for a leak... I mute my mic (sometimes one can forget).
There are of course, always exceptions to the rule/majority of cases, but if one is listening to music that loudly, they are not really fully communicating with their teammates.
(and as the OP said, yes you can mute them... but then what is the point of playing with them)
just adding my $0.02 (which is of course, just an opinion)
I see no need for anyone to play music in a game lobby.... it is very easy if you want your music on then just mute all but friends or party... nobody else has to listen to your music good or bad as it may be.
Some people may say well nobody shows me any respect when I am playing a game.
answer to this be the bigger better person you never know it might start to rub off on others.
The only people that defend this kind of behavior are probably the type of people that drive around neighborhoods at 3am with their systems blaring. "It's my car, if you don't like it go back to sleep".
That's breaking the law in most places and the people in the neighborhood don't have a mute button available to them to mute the person driving around with their system blarring. Listening to music while having a mic on does not break any laws nor does it break any rules.