Game of Thrones was nearly "destroyed" by pirates illegally streaming HBO content
(www.forevergeek.com)
I think with digital content platforms in general, competition means more headaches for customers.
The store front/streaming service is not what people sign up for, but the access to a certain movie, show or game. If the catalog of all available pieces of content gets scattered across multiple services you now have to use multiple apps, pay multiple subscription fees and search through multiple catalogs.
I'd say from a customer's perspective, increased competition lead to a worse situation.