- Feels like it was using the franchise far too much for its own benefit.
- There were 4 renditions of the main theme tune, which, sure, it is a catchy song, but it wasn't overkill in the original.
- Why was the lead girl so "okay" with giving up her career on merging general relativity and quantum theory? That would be the biggest breakthrough in physics in ages.
- Why did we not see the professor of the university again, like shocked or rejecting the evidence of ghosts and what the lead girl was up to? I feel that would have made it funny.
- The lead girl said there was no science in her book at all, so how did Abby and Jillian create the technology? How did Jillian even develop the technology to be so portable so easily?
- Bill Murray wasn't used well enough in the film at all, it felt more like he was poking fun at the film - more specifically the girls in it
- Now that Rowan is dead and there aren't any more devices, why does the town even need the Ghostbusters anymore? Unless someone else starts making similar devices, but that would basically be a repeat of the same film.
- A lot of the jokes weren't funny, and the scenes were edited together so closely to make it really fast paced, but left no time for the jokes to sink in. It felt like they were cranking jokes in at every opportunity. A lot of the jokes were very childish as well, like the fart joke and Jillian's general responses. This isn't an Avengers movie, you can't do the Hulk/Groot thing with a human.
- The nuclear reactor on the top of the car was a major plot device that was not explained for being there, definitely deus ex machina
- The CGI was very mixed - the proton packs and streams looked excellent, but the ghosts weren't all great
- Sigourney Weaver could have been used better
- Feels like the roles were better suited to men really, and Chris Hemsworth was the "dumb blonde receptionist", and his role change later in the film makes no reflection on him alone
- Generally did not get what they were talking about sometimes (not the sci-fi technobabble) but even the jokes too
- They could have expanded on the ghost that was at the end of the lead girl's bed for a year. Why did the ghost ignore her after a year? Why didn't they visit her house to see if the ghost was still there?
As there are so many questions I'm led to believe there will be a sequel.