Though in the case of anime, mainly with adaptions (Which is the vast majority of anime), it's about advertising (As I say, anime is advertising. It's not a stretch to say this whatsoever.), not to have satisfying conclusions. The number of adaptions I've seen that have had actual conclusions is very few as the anime ended before the source material, or they never got far enough.
Also let me ask you this, if Cowboy Bebop had an atrocious ending, would it be a bad show and should we discredit it? Should we forget it had amazing characters with a ton of depth, backstory, catharsis, development, and a compelling story just because it had a ****** ending?They have season 4, so it is possible, but risky considering how awful season 1 did with FUNimation. If they got season 1, could it even do better than it did for FUNimation?