It plain isn't and to claim that it is shows that you have done EXACTLY 0 research into the topic. This kind of bad faith engagement shows an utter lack of curiosity.
UFOs are huge in South America within just seconds you can find hundreds of sightings and discussions about them:
https://en.wikipedia.org/wiki/Varginha_UFO_incident
https://en.wikipedia.org/wiki/UFO_sightings_in_Brazil
https://www.vice.com/en/article/i-went-alien-hunting-on-chil...
Ufos are also a thing above Europe with the Belgian Ufo wave and the Rendlesham Forest incident being well known and seminal cases in UFO Lore
https://en.wikipedia.org/wiki/Rendlesham_Forest_incident
https://en.wikipedia.org/wiki/Belgian_UFO_wave
Africa also had for example the ariel school incident in Zimbabwe, one of the most well known UFO cases ever
https://en.wikipedia.org/wiki/Ariel_School_UFO_incident
https://en.wikipedia.org/wiki/UFO_sightings_in_Africa
Same goes for russia where after the cold war ufo sightings were discussed in offically declassified documents:
https://www.cia.gov/readingroom/docs/DOC_0005517761.pdf
Must I go on or is that enough to accept that "UNKNOWN THING IN SKY DOES WEIRD THING I DON'T UNDERSTAND" is pretty much a global phenomenon that can and should be scientifically investigated just the same as we would investigate everything else we find anomalous?