That doesn't debunk it at all - but some good points were made. Note that the artists of the day were also using CRT displays just higher resolutions. They certainly did test their work on the target. Some people obviously did more tweaking based on what they saw on the target machine and some less. This continues to this day.
That's a screenshot of a video made by tiktok user "mylifeisanrpg". I don't know where the image of the sprites came from but Fisch doesn't say he made it.
That doesn't debunk it at all - but some good points were made. Note that the artists of the day were also using CRT displays just higher resolutions. They certainly did test their work on the target. Some people obviously did more tweaking based on what they saw on the target machine and some less. This continues to this day.