The Fermi Paradox refers to the apparent contradiction between the high probability of extraterrestrial civilizations existing in the universe and the lack of evidence for, or contact with, such civilizations. There are numerous proposed solutions to this paradox, and the idea you presented is one of them.
The notion that we are far away from any extraterrestrial hotspots where many other lifeforms may be hosting is known as the "Rare Earth" hypothesis. This hypothesis suggests that conditions necessary for the development of complex life, such as Earth's, are extremely rare in the universe. According to this line of thinking, while there may be other intelligent civilizations, they would be few and far between.
This idea acknowledges that the universe is vast and that life may be more localized or concentrated in certain regions. It suggests that Earth might be located in a relatively quiet or isolated area of the cosmos, with limited opportunities for contact or communication with other advanced civilizations.
While this is a plausible explanation, it's important to note that the Rare Earth hypothesis is just one of many proposed solutions to the Fermi Paradox, and it remains a matter of speculation. Other solutions propose that intelligent civilizations are intentionally avoiding contact, have gone extinct, or are simply too technologically advanced for us to detect.
Ultimately, without concrete evidence or further information about the existence and distribution of extraterrestrial life, the Fermi Paradox and its possible explanations remain intriguing but speculative topics for scientific inquiry and debate.