We don’t really have any evidence for any of the solutions to the Fermi paradox, that’s what makes it a paradox. Personally the filter being ahead of us seems

We don’t really have any evidence for any of the solutions to the Fermi paradox, that’s what makes it a paradox. Personally the filter being ahead of us seems the most likely answer, but you’re right that it could be just about anything. The odds that we are the only civilization to make it to the “computer age” just seems far too unlikely. 1 in a trillion is not where I’m putting my money.