Its hard because on the one hand creatives have to give some shit away for free to get interest and then paywall other shit to paid.  As with everything, sponsorship will wiggle its way in as participation grows which will generate money and more participation.  I want a world where creatives can thrive so I can enjoy their outputs.  I can imagine sponsoring something I'm into in the future.  Maybe an OpenSats-type fund for creatives would be cool.  An Endowment for NOSTR Art