IOTA is must invest project despite harsh critique. It has significant partnerships and good technology for IoT.
I believe the crypto market has significantly changed since the end of 2017. With the exception of bitcoin which in in a world of its own. The rest of the Altcoins are now in a meritocracy. They will have to show genuine significant real world utility and adoption for the price to rise. The only altcoin that is fast approaching this threshold is Iota.