bitcoin is techically more superior then ETH ,yes but the use cases are bigger for etheruem now!
real utility for ETH ARE BIGGER.
ETH: defi, icos, dapps, stable coins.
also the very good liquitity !!
BITCOIN ?
yes you can buy thigns with btc but so you can do with ETH.
We do not do anything on bitcoin and do not compare to ETH, Bitcoin is the foundation of all crypto his like from genesis of our life. A lot of people today believes that bitcoin is assets its store of value like gold so they have a lot of difference.