Kind of, but there are limits. The investors still have LPs who aren’t going to be happy if things get messy. Things can still get really ugly even for a private company.
The LPs are eyeing that $1 trillion IPO to dump on retail. They don't care what Sam says until then.
Most of the credit being throwing around isn't coming from traditional banking companies, mostly private credit being utilized.
Private credit isn't really unregulated.
If you're interested in learning more I believe Matt Stoller has written a few articles about the private credit markets.