establishment astrophysics
As somebody who's working in academia I honestly wish you'd quit the "establishment astrophysics" bullshit. Science generally isn't some weird club where new ideas are shunned.
It's how the process works, it's peer review. You need to prove your shit.
What you call the "establishment" (others who don't know how science works call it "mainstream science") is the mainstream because it's peer-reviewed and adheres to scientific quality standards.
It's mainstream because it's honestly the best we can do at this point.
"New theories" become mainstream after a while if they're more scientifically sound than old mainstream theories.
That doesn't happen if they're bullshit.