[Thaxll]

Highly unlikely that PSN runs Gentoo. They're using AWS.

[malern]

I've no idea if Sony uses Gentoo or not, but you can definitely run Gentoo on AWS

[CursedSilicon]

Not PSN. Sony's Cloud Gaming service. Where they stream an entire PlayStation console to you

[jayofdoom]

OP's statement matches my understanding; parts were gentoo-based at one point.