[Al-Khwarizmi]

As an academic, all my papers from the last 5 or so years have associated github repos where all the code is accessible under free licenses. Most of my peers in academia do the same. Documentation quality is admittedly quite hit-and-miss, because we aren't paid for that and we need to jump to the next paper, but all the code is there and everything can be replicated even if it takes some effort due to rushed code or suboptimal documentation.

Industry is a different world, and indeed there are plenty of opaque industry papers that aren't replicable at all because much of the model is essentially a trade secret, and the paper is more an avenue for bragging than for developing new knowledge together with the rest of the community. To be honest, I would just outright disallow that kind of papers. But that's not a popular opinion, and taking into account that big tech companies sponsor our conferences and provide grants, I can't blame those who think otherwise.