"If the question is “are both hypotheses possible?” the answer is yes. Both are possible. If the question is “are they equally likely?” the answer is absolutely not. One hypothesis requires a colossal cover-up and the silent, unswerving, leak-proof compliance of a vast network of scientists, civilians, and government officials for over a year. The other requires only for biology to behave as it always has, for a fami…
Think about this: If it was a natural virus that escaped from a lab, China wouldn't necessarily even know about the escape for sure. We could imagine a scenario where maybe China started to suspect that might be what happened around Jan/Feb 2020. So then you don't need a collosal cover up, because hardly anyone knows for sure anyway - you just need to obstruct anyone asking questions that lead in that direction, and obfuscate any clues (publications from the lab saying what they were working on, reports of staff illness etc)