Eth has always being the biggest altcoin in the market and i believe that it has even high potentials than Bitcoin. The major issue that users and project teams have been having with eth is the occasional spike in gas fees and the Proof of work blockchain that has become really slow in recent times due to the sheer amount of transactions taking place on it.
Bsc gets a lot of accolades but lets not forget that BSC is built on the ETH blockchain and with the proposed ETH v2 to come, & its proposed updates, ethereum will remain the most valuable cryptocurrency asset in the market