Weed out old and outdated coins is a most common practice of altcoin developers. They abandon their outdated projects and join a new trend, create new projects year by year, cycle by cycle.

It's hard to believe in dedication of altcoin developers on their projects and how long they will stay with active development for their projects. Believe in their quality, dedication or not, spend your money to invest in their altcoins projects or not, it's your responsibility with your money.

I only share the story and fact on work flow of altcoin developers that is big red flag if you care about your money safety.