In 2017 raised the price for all cryptocurrencies. Now the situation is different. Many cryptocurrency projects became scams and their tokens costs nothing.
The initial conditions are important until the big rise of bitcoin. In 2017, many believed in altcoins, and this caused a price increase. Now few people believe in the success of altcoins. In this sense, it is unclear whether the next season of altcoins will be and when it will be.
In 2017 people saw how the price of altcoins raise and they believed in altcoins. Now there are some successful projects but the price of most altcoins dropped to zero. That is why investors stopped to trust altcoins.