I am not sure that reason is launchpad. Binance has held launchpads few years already
And i am not sure 15x 20x are back. Recent ieo-s were 3-4x max
I think main BNb weakness is exchange based coin. Coinbase never lists BNB. And exchange coin could never be same value like ETH

BNB should break outside binance if it wants to complete with ETH