So many questions:

1. Why did MM, from behind the bookshelf, beg "STAY" and then minutes later in an earlier time window, transmit the NASA coordinates that set up the events that lead to him leaving?
2. Why does the inside of the black hole look like a car wash?
3. So the black hole was just another worm hole? Is there a Hollywood black hole that is NOT a portal somewhere?
4. If it was humans from the future, why go back and alter the past when they've clearly overcome their predicament, otherwise there wouldn't be humans in the future?
5. If it was aliens, why help out in such an ambiguous way? 12 candidate systems, most not suitable.
6. Why are aliens spying on a young girl's bedroom from behind the books? Kinda creepy.
7. How can the watch Morse Code system work away from the bedroom?
8. Why does the gravitational anomaly only affect dust, drones, combine harvesters, watches, coins, etc but not life?Gravity affects ALL matter.
9.  MM wants to fling around a neutron star! What neutron star? We never see it again. And what sun is lighting this system?
10. MM is a pilot who claims he's never left that stratosphere. By the end, he's JJ Abrams-ing around a frigg'n black hole.
11. Why do the Rangers need a Saturn V to take off from Earth, but have no trouble getting off the tidal planet which is 130% of the gravity of Earth? And then it lands on another planet. And takes off again.
12. Why are all the instrument panels and controls so retro? Analogue dials, etc. Looks like 1950s technology. Yet they have AI robots, suspended animation, and are building Rama cylinders?
13. Didn't anyone think to check on Brande before Murph told MM to? Murph the old crone seemed to know Edmonds was dead. How? And why was Edmonds dead? Shouldn't he just be asleep waiting for everyone to rock up?
14. Why is the bandwidth so restricted back to earth? Does the alien ISP throttle upload?
15. Why is there a dramatic organ crescendo at the beginning when MM just looks out the window?
16. Would robots talk to each other with speech rather than a direct link? That's so Phantom Menace.
17. Almost all shots of the Ranger are from cameras seemingly attached to the fuselage, like this is a Found Footage movie. But the movie breaks this convention when it lands on the tidal planet. It's the only 'beauty shot' of the Ranger that you see.
18. Why is MM resigned that he has to wait for the engines to drain, allowing years to pass on Earth, but when the second wave comes, he suddenly remembers he can flush the engines with the cabin air?
19. So there's no other suitable planet in this galaxy? The Kepler mission found hundreds of exoplanets just in our local region of the galaxy. So our new home is in ANOTHER galaxy in a system with no sun, wedged between a neutron star and a black hole? If we don't get fried by radiation from the pulsar or burnt by the x-rays off the accretion disc, we'll be spaghettified by the tidal forces from the black hole. Real homely. What next on the new planet? They mostly come at night. Mostly.
20. Earth was a little dusty every now and then. But the brief glimpse we get of our new home is of a rocky desert planet. Does Cooper Station have a reverse gear?

Now I'm intrigued to know about Trey's Alan Smithee projects. How many are there?