Considering all the things (none come to mind, sorry) we formerly thought we shouldn't do (because of false beliefs) that turned out to be beneficial in the end, I'd say we should go with the experiments.

"Physics" and "conclusive" used together? HA!

Besides, if the universe is destroyed, nobody will be around to complain about it.

I'll bet you that the universe is not destroyed... :)

You're on if you prove it conclusively.

The good news is that, if we find that it's possible for a civilization like ours to build a machine that can destroy the universe, we'll finally shed some light on that pesky Fermi Paradox.

Perhaps I should print up some T-shirts for the occasion: "Humanity: We're Number One!"

Love it. The precautionary principle is 100% anti-science

It reminds me about the true believer in precautionary principle - the Luna Lovegood's father from Harry Potter series:

  You can't prove it doesn't exist, so it probably does.

it's a better idea to use it to fight aliens than to shoot pigeons with it http://xkcd.com/401/

It's a bit of satirical DH5. Nice.