Not following the guidelines has potential to damage relationships between them and the publisher. Affection existing and future access to pre release content / review content / sponsorship deals etc… . It potentially could damage relationships between others publishers as well.
Why would streamers give a shit about game publisher guidelines?
It was guidlines for the prerelease and free copies, if you buy it yourself you do not need to follow the guidelines.
Not following the guidelines has potential to damage relationships between them and the publisher. Affection existing and future access to pre release content / review content / sponsorship deals etc… . It potentially could damage relationships between others publishers as well.