Most coins are made just to pump and dump , a promise use case etc, but at the end of the day they are just there to make money, there are lots of coins today that are already dead, and are just being manipulated by those who have tokens and when someone's buy they sold once there is a liquidity, not only that more coins are being added to the market that after a month or so, they will end up like those old coins, bitcoin is already tested and will stay there for a very long time.