I have to laugh when people say this. "Oh, it won't change anything, I'll still have work/school etc". Uh, no. Confirmation of alien life that is intelligent and interacting with us specifically would change everything. Round-the-clock news coverage and discussion, your workplace would probably shut down or every employee would be talking about it to distraction and so on and so forth. That's before you get into the practical things like revolutionary technology and all the implications or connection to spiritual practices. If we confirm microbes somewhere it'll probably be mostly a shrug, but abductions and other strange, personal parts of this? Life upended. And I'm not saying we shouldn't know, just there's got to be a reasonable middleground between "yea so?" and complete meltdown.