Not all this listed Ethereum forks are official, some are just copycat from developers, they do give coins away to those who are ready to claim them, I can remember getting scammed by a ether fork in 2018
It's because majority of them fork from the original Ethereum are released during the time that there are a hype specially in 2017. So they just copy it (which is why we call it a fork) and make some money out of it and the totally abandoned them and scammed people like you in 2018.
Only worth investing is Ethereum and Ethereum Classic.