ICO returns do bring back Altcoin alive but we are still shrouded by scammers who continue to roam. Continue to be careful what we face. don't be negligent with things like this.
With or without ICO, scammers are always alive in all of the times.
In defi, there are also scammers that's why even if ico or ieo comes back, they will never stop.
And with the surge of bitcoin, it has also awaken a lot of scammers or they're already woke but just became more active this time.