Anyone telling you that their product or service would have for sure stopped JiaT75 is bullshitting you. We can just make it gradually harder for this type of adversary, and this particular adversary appears to be extremely well-resourced, and they in particular will probably just try another vector.
*That said*, the vulnerability in the ecosystem caused by the chronic undervaluing of this type of infrastructure work is HUGE and can be easily improved by very modest investment.