Many believes that altcoins will reach their all time high in 2021. But there are only few altcoins that has the potential to grow. Many altcoins are too bad. They cannot last long in the market.
Of course what you are saying is very true and I agree with what you are saying, that altcoins will move up quite well in 2021. but I believe that the ones who will enjoy the increase are for the top-ranking altcoins, not the new altcoins. growing, it is very difficult for new tokens to grow even though it could happen if the team works well.