I think there's a certain lyricism in the telling of a scientific story.
What we see of the universe is vast. We know that the universe is something like 90 billion light-years across.
The simpler the insight, the more profound the conclusion.
Forever is a very long time, especially the bit towards the end.
I don't believe that math and nature respond to democracy. Just because very clever people have rejected the role of the infinite, their collective opinions, however weighty, won't persuade mother nature to alter her ways. Nature is never wrong.
It would be kind of magical if we were just happening to be able to see right to some boundary and then something crazy happened beyond that, like galaxies ceased to exist. I mean, that just seems nuts.