each person has their own way, in my opinion the distribution of the portfolio like that is good,
if you see there is no Bitcoin in it, and only altcoins, yes that's also good, but it's better that you have bitcoin on portofolio.
It is no good if they do not have bitcoin in their portfolio because it will be hard to profit. Even if they have altcoin, they need to wait for some time because the altcoin can not always jump to the high price. Having a bitcoin is a must because that can give us a big profit, especially at this moment. After all, we can sell our bitcoin at a high price. Maybe later he needs to buy bitcoin, if he doesn't have bitcoin, to join in the next party and sell his bitcoin.