There's a huge potential in alt coins but due to super crazy trends, I'm a bit confused so still holding Bitcoins as a guarantee of stability.
I don't believe in the potential that so many people see and talk about in altcoins, i consider them to be very risky and only a few provide huge multiples, while most others fail. When i diversify, i buy BTC and things like real estate or gold, i don't really diversify into the altcoin market and i will recommend newbies to do the same, but each to their own.
There are still a few profitable altcoins that can be found but if we talk about security and risk, that is really the usual concern by most.
That is why BTC is highly recommended, although it was not a high multiplier in terms of profit gain but it surely won't disappoint us. Those who suffer losses from investing in bitcoin are probably for another reason, mismanaging funds and panic selling.
I invest more in bitcoin than altcoins and I don't see any problem with it. It is just how we look into every opportunity that the marker gives us. But if we are investing for the long-term, we should choose bitcoin.