The first Bitcoin conference had about one hundred participants which showed that people had no interest in it at the beginning.
The world first Bitcoin conferenceGavin Andresen talked about
his opinion on Bitcoin PrioritiesBut the Bitcoin 2022 conference in Miami attracted about 35,000 attendees and many others viewed the event through various electronic platforms. This a proof that Bitcoin's dominance in the global financial system is still at its infant stage because the future is bigger.
It is another good evidence of Bitcoin adoption over years. It has been grown very exponentially within 15 years since 2009.