Earlier quoted context omitted.
Dues are $2500/y if you have revenues of $1-5MM, $5000/y if you have revenues of $5-15MM, and "contact us" beyond that: https://www.riaa.com/wp-content/uploads/2015/09/RIAA_ApplyFo... Since one presumes that Microsoft does not sell much music (didn't they shut down their music store a few years ago?), I can't imagine they've negotiated dues that scale linearly on Microsoft's total revenue - so, in fact, I'd expect th…
I just find it quite ironic that their site is running WordPress, a "free and open-source content management system".
Free and open-source software isn't subversive. It's innovative, which isn't the same thing. It's certainly a new model, but the way you get a GPL violation removed from GitHub is with a DMCA takedown notice. Free and open-source software is a different and nicer use of the copyright system, but it's all still the same system at the end of the day.
And now that they've had a couple decades to get over their discomfort and they've realized that there's nothing subversive there, people who love copyright are totally fine with free and open-source software, because it furthers their goal of making money.