Since Microsoft wasn’t mentioned at all, it seems like this may be a thing only Sony does.

The last time this was discussed, it was revealed by people with knowledge of the industry that Microsoft also operate MFN style clauses as a means to secure parity. You can try and make it a Sony-only thing if you want, but it’s really not.

The Verge are in Microsoft’s back pocket. Journalists can tell you a thing or two about their senior staff.