Unfortunately for them around the time of Netflix's ascent they were embroiled with all kinds of financial issues but still the mind boggles
They still do all those things? And they're still successful in most of them? They haven't "failed" or "dropped the ball" based on any metric I can think of. I'm not sure what you're referring to here to be honest.
Sony just focus at their home market more
Sony Pictures for its part does quite well for itself not being tied to a specific vertically-owned streaming service, and given the number of those already out there which will eventually consolidate, they’re probably all the better for it.