The idea that the solution to Fermi's paradox is that we are early to the party is one possible hypothesis, but it remains speculative and lacks concrete evidence. Fermi's paradox refers to the apparent contradiction between the high probability of the existence of extraterrestrial civilizations in our galaxy, given its vast number of stars and planets, and the lack of evidence or contact with such civilizations.
The notion of being "early to the party" suggests that intelligent civilizations capable of interstellar communication and travel may be relatively rare or take longer to develop compared to humanity. According to this hypothesis, since the age of our universe is estimated to be around 13.8 billion years, and our own civilization has only existed for a fraction of that time, it is possible that other civilizations have not yet emerged or have not reached the point of technological advancement necessary for interstellar communication.
However, it is important to recognize that the notion of being early to the party is just one among many possible explanations for Fermi's paradox. Other hypotheses propose factors such as the potential self-destruction of civilizations, the challenges of interstellar travel, the possibility of civilizations existing in forms we do not recognize, or even the idea that we may be part of a simulated reality. Additionally, our understanding of the likelihood of life and intelligence in the universe is still limited, and there is much we have yet to discover.
In summary, while the hypothesis of being early to the party is an intriguing possibility, the answer to Fermi's paradox remains uncertain, and further exploration, scientific inquiry, and evidence are needed to provide more definitive explanations.