The lightning network looks very promising in its ability to scale and reduce fees. It would make transactions nearly instantaneous, have reasonable fees, and help scale the network.
And you posted that comment while driving your flying car on your way to alpha centauri, right?
Foolosh cargo cult beliefs such as the ones you've illustrated do not serve as any basis to make investment decisions.
Everyone thought Amazon would never make a profit until it revealed the profit monster that is AWS.
No one can predict the future, all you can do is take the information you have available today and come to your own conclusion. If you don't understand the implications of cryptocurrency on society and money, then that's your loss. If you think you do understand it and believe otherwise, then go ahead and short everything and go make some profits against it.
I don't know if the hype/price is justified, I just know cryptocurrencies are going to change the world. It seems to me that something that important is probably worth betting on, and not against.
I've followed bitcoin from the beginning and personally think the only problem it seems to solve is a way for techies to get rich quick.
No, it would help scale "the lightning network" which would not be the same as "the bitcoin network".
So while it may not be technically true that the main network's capabilities have changed, users should see massive improvements.