It’s unclear to you, perhaps? But they’ll raise funds and/or debt as needed in the US capital markets as they have been doing.
> They pretty much exhausted private options at that point
I don’t think this is true. The evidence is that they keep raising funding for build.
> it’s not clear how successful an ipo would be at the current time
It’s always unclear, but also IPO success doesn’t necessarily translate into long term business success.