Theoretical unseen Black Holes are proven to only eject matter and produce jets without gravity. Undetectable inferred black holes emit no radiation, because they don't exist. Teams so far have never found any evidence that black holes consume matter.
Is matter falling into black holes or being ejected from it? Astronomers do not know, because the observations defy the theory of black holes consuming everything by gravity. Gravity is a human conceptual theory and a pseodo-force that can only attract matter together, and not repel. This has led to erroneous theories of black holes forming when too much matter is rapidly compressed together. Scientists don't know if they are observing white holes or black holes, in this dogma of confusion.