Bullshit. I've had a better experience with Ubuntu than with Windows 10. And since Ubuntu 16.04 the telementary thing you were talking about is desabled by default. Or you could use other Ubuntu derivate, like Xubuntu.
35-70 MB it's not that huge, especially if you have a gigabit Internet connection. And if you have a good pair of headphones you can hear the difference between flac and aac.