i think it is, because in the year 2011 you can buy a Bitcoin for only 4$ and if you buy 100 Bitcoin before and you still have it now , then you are a millionaire , and if you buy bitcoin now it's late, because the price of BTC now is expensive
Bitcoin is the strongest and most popular coin and bitcoin will also continue to rise in price. It is never too late to start bitcoin, because bitcoin can still increase and will last a long time.