The Universe is expected to last another 10^{10^{120}} years; Stars are expected to exist for another 100 trillion years; Earth is expected to become unable to support complex life 800 million years in the future.
If the Universe and Earth (or whatever planet they migrated to) lasted for another million years, it would mean the Universe lifespan had shortened dramatically, but your average Joe wouldn't give a f*ck (humanity will probably be already extinct by then).
We still have to learn how long will the Earthless universes last. It may be a long enough span of time that trying to migrate to one of those or blowing you own (or other) Earth is worth it.
That's un unfair statement to make imo, given Cap' is not against saving said universes, he's against murdering people while doing it.
Namor is forever lost in that regard, this version at least, whilst his peers of the Illuminati are all guilty by association.
Last issue, Cap' accepted to work with them for the first time in a while because they promised to surrender to justice after the Incursion problem was sold. Another proof that he's not against saving people - he's uncompromising, not stupid. I'm pretty sure if they had come forward with this proposal in the first place, instead of running away, he would have accepted to work with them too.
Lastly, blowing up other Earths doesn't SOLVE the incursions, it buys time to find a real solution, but that's it.
Some might feel it's reason enough to keep doing what the Cabal has been doing Earth after Earth, some might not. Ultimately,if they wanted to buy time without murdering anyone in the process, they would have evacuated Earth-616 before blowing it once and for all. Tough call to make, and very hard sell too.
Anyway, this whole thing is heading toward SW, where apparently 616 and 1610 clashes for the final Incursion.
We'll see the circumstances of the creation of Battleworld, but if the Illuminati - or even Doom or the New Avengers - aren't involved in its creation one way or another, if they don't have a hand in it...Then murdering all these people on other worlds would have proven to have been absolutely pointless, confirming what Cap' has been saying from the very beginning.
"The means are as important as the end - we have to do this right or not at all.
Anything less negates every belief we've ever had, every sacrifice we've ever made."
"Power corrupts. Absolute power corrupts absolutely."
"No justice, no peace."
All I was saying is that having a shortened lifespan means something different for a person and for an universe. An universe could have a shortened lifespan and still last another million years.
Anyways, that is meaningless now, taking into account what we learnt in New Avengers #29 (the Beyonders or Rabum Alal seem to have tired of waiting and have destroyed almost all the remaining universes in a go).
Actually, it is revealed in New Avengers today that they did try that, among other things. They were planning on blowing up THIS Earth after evacuating the planet. Didn't work. An outside force (the Beyonder, one would assume) is actively preventing alternate solutions from being used.