If you use the AT&T wireless service and have subscribed to the new HBO Max, there is good news: TV or movies on the latter do not count towards your data restriction on the former. AT&T informed The Verge that customers using their subsidiary's streaming service could do so without reaching data limits or “soft” limits for unlimited plans.
It's not good news if you're an HBO Max competitor. Watching videos on other services ̵
Since FCC Commissioner Ajit Pai torpedoed net neutrality guidelines in 2017, such practices are completely legal in the United States. The lifting of Pai has been widely criticized by consumers, politicians, and even some members of the technology industry. However, with business-friendly legislative, executive, and judicial conservatives, there was no realistic way to return to corporate supervision.
AT & T's competitor, T-Mobile, was accused of violating net neutrality with its "binge on" service. Compressed streaming on Netflix, Amazon, Hulu and some other services does not count towards data restrictions. In principle, this could make it difficult for smaller video services to find customers. However, it is important that T-Mobile does not have any of these services and that the benefits of Binge On are completely competitive.
Source: The Verge