Hossenfelder’s strongest argument is that many fine-tuning parameters cannot in fact be quantified.
A gold rush makes sense. But a copper rush? Not so much. And yet, perhaps there is more to gold than aesthetics.
The problem with the early universe is that it was a much more dangerous place.
The stability of atoms, stars, and people depends on finely tuned physical laws and constants in the local universe. But are they fixed throughout space and time?