Here is the thing though: even if you DO dismiss 99,9% of all the UFO sightings (which has been in the hundreds of thousand in the past century and sometimes date back way behind that), there is that pesky little 0,01 percent that is so solid, that it is absolutely NOT outrageous to build a model in which we ARE being visited by extraterrestrial beings.
No - there are no solid 'sightings' - nothing to indicate even in the slightest that we are being visited by extra-terrestrials, at least nothing I've heard about.
Further, the very notion that a 'sighting' could be used for evidence as such is bewildering. No matter how many times people throughout the years have claimed to have seen angels, it doesn't suddenly make angels a real thing.
No serious researcher has found an ounce of evidence supporting the idea that extraterrestrials have visited us. I can't for the life of me understand how you can make that claim.Now, lucky for us -and for you, I guess-, you do not actually need to devote even a second of your life contemplaining any of this. Because there have been serious resarchers, using "the scientific method" (aka the Holy Grail of the realm of our verifiable existence) who keep going on and going for decades in order to fully understand what is happening. Lack of evidence or evidence on shaky grounds certainly do not stop them, and it really should not.
Why? Because there are working models of the universe that does not clash with our current understanding of it, yet do not outright dismiss everything that happens in the fringes of our cognitive abilities just because we have no way to understand, observe and verify them with our current equipment and/or capabilities. Things popping out of thin air, working wormholes, crafts with their own gravity fields, interacting with our species solely without physically being there, such things.
Simply because such concepts are somewhat possible, does not immediately give any veracity to claims that these 'visitation' events have occurred. No more than me claiming I had a wormhole in my butt last week.
We can get Occam's loved razor again and slice everything that is not currently verified, but that would be foolish, boring and against our advancement as well, for quite obvious reasons. The facts of the future start out as the ideas of the now, not as the scientifically verified facts of now.
I disagree with the claim that using the most logical and realistic explanation to events is somehow boring or especially 'against our advancement'.
How can you advance off of incorrect information? Ideally you want the most correct information at hand.
Honestly this argument sounds like 'I want to believe' with some flair attached to it.