This is true for the time being. I see that all the Altcoin coins have fallen abruptly. But in a short time, in the next few months, I think Altcoin's price will be better.
There some altcoin is worth it for long term investment like Ethereum, so investing in Altcoin is good idea, also some Altcoin have potential so possible to rise its value even more. Then if you invest in Altcoin it also valuable and profitable besides, nowadays many people are going to Invest in Altcoin because of being affordable of it then it also cn bring you good profit. Just choose wisely which Altcoin is you're going to invest or else its better to invest to those have potential.