It is too late if compare situation and bitcoin value 2008 and current value. Who knows what value will be in 2years)) maybe now is a good time to invest.
No, it is not yet too late to buy bitcoin. The BTC is now booming around the world and is very popular in social networks. Yes, we don't know or we cannot predict its future outcome but remember also that there are more promising in bitcoin. Lot of big time investors are trusted their billions of funds just to gain big profit. It's impressive price arouse the interest of people to used it so be optimistic and go with the flow.