Why would you accuse Valve of 'missing the boat' just because they aren't the best at everything? Do they, or we, even want a single company to run the most po

Why would you accuse Valve of 'missing the boat' just because they aren't the best at everything? Do they, or we, even want a single company to run the most popular game distribution service, the most popular gaming chat service, the most popular game streaming service, the most popular VR platform and the most popular gaming OS? That sounds awful to me.