Long time coming, long over due.
Sandy Munro (and others) have advocated larger castings for ages. Watch munrolive, autoline and other youtube podcast interviews for ongoing analysis and discussion.
The community interest in unibottle, multivalve (name?), simplified wiring harnesses, large form unicasting, and all the other deepdive innovations is really gratifying. There's been such a huge backlog and now the dam is bursting.
Whatever else I think about Tesla and Elon Musk, this really feels like a sea change.