But one would expect that the altcoins make a rise when this happens, we have seen that to the contrary, most alts are red, few a re sightly green... stupid ass Ripple is the one that pumped lol.
I will agree with you that once the price of BTC crashes, then the price of Alts should increase based on the fact that of is measure in relation to it. But at the same time, one should not be oblivious of the fact that things dont always work in black and white and whatever happens to bitcoin, will definitely affects other Alts if people are dropping btc then they are surely dropping alts and it will take time to adjust to reflect the current phenomenon.
bitcoin didn't really crash it was first pumped and then the pump crashed, not the initial value, as i explained above, is very different from a real crash, this exaplin why the altscene still is not pumped again