i think humans will target on chasing the ends of the universe when we reach the height of technology. we'll just hope not to encounter any other "being" whose far more advance than we are along the way.
i think some will watch it. As it will be more of a documentary than a sci-fi. Since it already happened. Some will watch it some will not, depend on how they did the documentary. Most people don't watch doumentary.
Yes, our level of intelligence is both a blessing and a curse. It makes us capable of accomplishing both wonderful and terrible things. And we are slaves to its every whim, well not if you're too lazy to think.