i liked the movie. it wasnt supposed to be epic, and it seems like thats what its being judged on.
unfortunately the rest will have to be enclosed in spoiler tags
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i did not like how they portrayed the steps the us president would do. keep shooting bigger/smarter weapons and hoping they do something... just stupid. if the first few dont work, the rest wouldnt either.
we should have been able to see keanu go into the sphere rather than assuming he "died" as they portrayed. also, why in the world would they make it seem like he has no contact with the sphere at a distance. the dude can see the lasers for targeting systems, but cannot communicate over a short distance with the sphere? something aint right.
overall i think the movie was quite good, and quite accurate as to what would happen other than the above.
to be serious, if you believe in aliens then you have to accept that the aliens have 1 of 3 possibilities.
1) they are the same technological or worse than we are advanced, we would never run into them.
2) they are more advanced than us, studying us, but have a policy of non-intervention in which they will do nothing to help/hinder us from doing anything we want.
3) they are more advanced than us, studying us, and have a policy of intervention to preserve either the planet or the biologicals on the planet. question would be, would they value say a species of bird going extinct moreso than we would.
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oh and fireborn, leaving the polygraphist in the room with keanu ( not a spoiler, it was in adverts ) without guards is entirely plausable. there are many "guard" type positions where they have access passes to a door, but are forbidden from entering a door. but they should have had someone else in the room, i agree. but not having a guard inside the room does make sense.