Short answer: Because it linked to the political movement of QAnon, and thereby to supporters of the US president.
Long answer: Any new currency, cryptocurrency or coin which represents a popular political message has a huge advantage over the plethora of alternative coins. It's a symbiotic relationship, where egoistic economic interests amplify political interest, and vice versa. This is one reason why Bitcoin still remains at the top of the list of the most capitalized coins, despite lagging technically behind many other coins. Bitcoin is backed by a branch of libertarians who oppose government, banks and fiat money. At the same time, formerly unpolitical Bitcoin adopters tend to adopt libertarian political views. The movement behind Initiative Q is probably more advanced as it is certainly organized by the same forces who possibly helped the current US president. Like it or not, Initiative Q has a realistic chance to become successful.
Initiative Q is building a new payment network and giving away significant sums of their future currency to early adopters. It’s by invite only and I have a limited number of invites. My personal invite link is