Just like in 2017 to 2018 where the price of bitcoin booms to 20,000 $. And many people get rich because of it. So buy bitcoin now because that event will happen again and it will surely the price will be double over the previous all time high.
True, its still early and bitcoin is nearly 10 years old. More years for bitcoin to thrive and grow.
Yes, there is still an opportunity in bitcoin and have gained from it I think it is better to think for the long term. There will be big changes after 1o years, for other decades, etc and bitcoin will change the way we transact online. We are still in the early stage and more room to grow for BTC.