Its true because its a fact that most altcoins are dependent on Bitcoins price. However if the Bitcoins prices improve so the altcoin does. Lets understand tha hate but the market in general is still struggling to recover from what it had experience in 2017.
Bitcoin is the first ever crypto currency and all crypto investors and developers agree on this point that bitcoin influences rest of the whole market with its pumps and dumps. What people experienced in 2017 was amazing, bitcoin was walking on the moon and people are expecting same after the halving procedure which is predicted to happen within 6,7 months. Altcoins will increase in value once bitcoin does.