Never stated that CIZ would confuse a bike with a fish - in fact, if you read and understood my entire post including the examples in the links I provided it specifically says that it would never confuse things.
I shoot Nikon - guilty as charged.
Here are some examples that I quickly put together. A while ago, the summer before I purchased the RX10M4 in 2017, I also tried an A6300, which is the basis for my criticism, but I have since deleted my test images. However, the RX10M4 pretty much behaves in similar fashion.
The two images below show a CIZ and one that was shot as raw, cropped and up-sampled to the same resolution and field of view as the CIZ image.
I do think you're partly correct - CIZ is an in-camera feature, and should be independent of the lens. But unless you are using 100% Sony compatible lenses, you can't select the zoom in the viewfinder, you have to dial in the amount of zoom in the menu, making it a pain in the neck to use. I may be wrong, but this has been my experience.
I also agree that people should stick to critiquing things they actually have experience with firsthand, and not parroting what they have read, which, depending on the source, could be a parroting of someone else's poorly informed opinions.