I think these two coins are very good coins, but the most popular and much favored coin by people is bitcoin than ETH, and they have a very good investment. Many people are interested in bitcoin rather than ETH, because the value of bitcoin is very good.
I agree with you, because I think bitcoin is the king of all crypto, and if bitcoin experiences an automatic decline, other altcoins will go down, and vice versa if bitcoin rises, other altcoins will go up. I still choose bitcoin, because my bitcoin is here.