Its certain that not all altcoins will give X1000 profit. Most of the altcoins cannot stand the test of time and they will wither away in no time but the ones that are good still have the potential to give above X1000 profit.
you are right, many projects are missing and not developed within 1 year after they are released on the market. in fact there are many like that, although there are some good projects that are still consistent in the development of their projects.