No it's not! Reasonably minded persons consider this entirely plausible.
The way the conversation is being actively steered away from this topic is concerning.
> It could have been a lab leak. It could have been (and now looks more likely to have been [0][1]) natural spillover from increasing contact with zoonotic reservoirs. What's the difference?
There's a huge difference. Each scenario has different lessons to learn, culpability, etc.