I've never owned an Apple TV but I've used them so many times over the years and there wasn't really too much to complain about. I just got the ATV4 (my first ever) and this thing is awesome! I was SO hesitant to purchase one due to everyone's complaining but this thing is top notch.
Like others, I too am glad you are enjoying it. In my opinion,
TV is one of Apple's very best products. BUT, as much as I love this product (too)- and I've owned every generation- this kind of thing...
...can be fixed via software update.
...is one of the drivers of complaints. EVERYTHING wrong about ANY computing hardware can probably be "fixed via software update." An old Windows PC running the worst incarnation of Vista could "be fixed via software update." Apple Maps at it's worst could "be fixed via software update". Ping. iCloud. Android. The worst websites we've ever visited. The worst software we've ever tried to run. The infamous E.T. game for Atari 2600. etc.
But this is
APPLE. Why does anything get out Apple's door with the need for so many fixes "via software updates?" And why do we users need to make excuses for them? They don't need an army of closet marketers who work for free.
Apple has attached the "just works" concept to their brand. The time between
TV3 and this new "4" was almost 4 years. FOUR YEARS! "Just works" is what the Apple faithful want to see... especially after almost 4 years. It's not like this particular device is entirely different than the previous generation.
Does that "complaint" mean that I hate
TV? No, I think
TV is GREAT!!! But why is stuff like this getting out the door with even fundamental issues? I mean, your point about having to re-enter passwords for every app is not exactly a secret gripe, nor one that is isolated to only you... and me. I've seen that gripe for all the years that the "3" has been adding apps that needed cable subscription validation. Do we believe Apple doesn't know about that one? Today, in late 2015? So why is it
still an issue that even needs a "fix via software update"?
It's that kind of stuff that motivates the complaints. It's not that many "complainers" are hating on Apple or hating any given Apple product as a whole. It's that Apple sets the "just works" bar very high. So we expect greatness from Apple is every way. While "just works" doesn't mean "perfection", it also shouldn't mean that early adopters need to feel like they are in a beta test group, waiting & hoping that the next software update will make the new Apple product they just bought work like they expected an Apple product TO work. Beta test it
BEFORE rolling it out. Maybe the price of absolute secrecy to maximize the "big reveal" drama at launch events is too high?