I must agree with what you said here. From when I got into crypto in 2013, I NEVER pictured LiteCoin making it back up to $20 at the time. Now trading at $150 Approximately.
BitCoin I just didn't expect it to go from 3k to 19k so fast, and it did.
I think Steem will be the same thing as LiteCoin. It's trading low right now. <$5. Yeah switching from $3 - 4 back to 3 is crazy, but add a 0 to that and it'll make a difference.
Other Blockchains will someday pass up bitcoin as bitcoin we all know will fade a way. It won't die out completely because there will always be a node online somewhere in the world. Even after the world Apocalypse. BitCoin is a resource hog. It consumes so much power that is destroying our world. To mine the coin, you need massive amounts of money for the hardware. You need a warehouse to put all the computers. And even with all that, you won't be mining a fraction of the hash power.