Yes, bitcoin is very very slow but the fact of being like a "pioneer" today keeps it even high...
I do not think that there is a relevance between pioneer crypto and new crypto nowadays. If you will just check the coinmarketcap.com there you could check that there are some coins who move faster than bitcoin and this because the coins are having good community and trust to the project which made it possible to move faster but it could not surpass bitcoin for sure.