the choice of listing has nothing to do with the monetary unit of trade ($, euro, btc, doge etc). the exchange simply enables them to trade the equity of their company. NASDAQ/US is just the most liquid one (and likely where their immediate investors past and future are going to have access to already)
but perhaps I'm not aware of alternatives where one can trade equity in the crypto/defi market?
happy to learn if you point me to the right places.
I'm not following this line of logic, where are you getting this from? Why would the success of crypto-currency imply the demise of fiat, if that's what you're saying? Or why would you have no interest in fiat just because crypto-currency turns successful?
I don’t think you read the article, let alone the headline.
Question remains...
Which in this context includes cross linked index and futures markets
As this is a conversation about listing an equity versus a security token on a crypto venue, the liquidity is unparalleled (even if crypto venues were trading registered securities tokens)