Wow. That would be frustrating.

Watched this film last week with a couple of ADD teenagers (I'm a mentor through my church).

They loved it, and not just the action. They really enjoyed the character stuff and the world-building.

Such a good movie.

It'll be a Death Star 4. Technically that's never been done

I agree with everything you said about "rehash" stuff. It doesn't bother me that stuff was used again.

My problem is WHICH stuff they used again rendered the third act tension-less and the bad guys morons who learned nothing. I'm not disappointed because "the movie SUCKED!!!11" (it didn't). I'm disappointed because it was doing so well and then fizzled out on the CLIMAX.
TFA is just ok. It could have been great.

My main problem with phasma was that she personally enabled the destruction of the death star 3 along with the hopes and lives of the First Order because someone threatened to shoot her.
Completely undermined her and made her weak. She seemed like she should have been the sort of soldier who would be willing to die before caving in with no fuss. Badass female villain she is not.

This is a really nitty nitpick, but they held the final shots of Luke and Rey's encounter really long.

Look at cloak, look at Rey, look at cloak. Cloak turns!
Look at Luke, now back to Rey! Now back to luke! Now back to Rey!
Rey holds out saber! Now back to Luke! Now back to Rey!

Now a flying shot of the the two of them with Rey awkwardly holding out the saber for an uncomfortable length of time!!!

I'm exaggerating, but it felt weird.

I loved the first two acts. The third act fizzled fast.
1. Rey going from no force knowledge to controlling a storm trooper and then fighting a powerful dark force user was lame. Even if Ren was wounded and trying to take her alive, it seems he completely forgot he has this ability to freeze people with the force. That would have been smart, obvious, and him not even trying took him from being a powerful but conflicted character to being an IDIOT. I lost all sense of a compelling villain after that fight.

2. They repeated the third act of a new hope and rotj almost point for point: death star, bigger death star, even Bigger death star. Which would have been GREAT if they FAILED. I thought for one minute that this movie would end with the death star 3 being unharmed and the resistance (totally not the rebels) having to run for it and deal with it in the next movies.
Nope.
They win. It ends with a ship flying in through a hole and blowing it up from the inside. After the people on the ground disable the shields from the inside (due to an oddly pushover Phasma).

They could have subverted all expectations by having the good guys fail their primary mission (still saving Rey so it's not a complete downer). But they chose to repeat the old thing almost exactly.

To sum up, JJ made another Star Trek Into Darkness

Yes!! I'm famous!

Also, really nice job on the effects, especially considering the time crunch.