I see that it could displace VC somewhat in dollar amount, but there are some serious bottlenecks around filing with the SEC and getting listed to where it'd be prohibitive for a large number of companies to start that way. It's definitely a lot harder, more all-or-nothing, and more time consuming than getting a million-dollar SAFE and building a prototype. And SPACs are also dependent on consuming those "traditional" companies to fulfill their empty promise. What feels most intuitive though is the propagation/decline of SPACs will simply be based on the successes/failures of the SPACs we're watching now. Tech and finance seem to have few mechanisms outside of pattern matching what got their predecessors rich.