Ask HN: What about UFO/UAP as Aliens trying to teleport to Earth?

UFO/UAP phenomena is a fringe topic. Frankly, the current explanations are weird, either if it's explained as aliens from other stars or other times. I am in favor of the psychological explanation (Vallée, Keel) but I wonder, what if it was aliens trying clumsily to teleport to Earth?

Teleporting makes more sense than traveling hundreds of light years even with Warp drives. The interstellar medium is not void, at high speed there will be a lot of friction making it impossible to reach long distances.

Time travel would anyway necessitate some sort of teleporting as the Earth is moving at high speed (447,000 miles per hour around the Milky way). So going back one century would mean having to jump a distance as far as Oort cloud. So any entity that could do time travel would be able to travel to other stars as well.

Any comment?