Altcoins are falling in price, so buy them more - sounds inconsistent. To diversify in the current situation, it is better to buy more bitcoin and some altcoins because the future of altcoins is very vague and the risks are correspondingly large.
Well the op is newb and he didn't specify his reasoning behind this.
My guess is that he just saw these claims in somewhere and decided to paste it in here.
Because on some of these claim would apply if the context was right, but without context this is just vague fortune cookie wisdom that lacks any depth.