To be fair though, this time he's comparing apples and oranges. His system is on the inside curve of the meandering river, which is always an area of deposition. While his neigbour is on the outside curve, which is always an area of erosion. The land I looked after as a teenager was inside a huge curve which was slowly being eroded at the neck to form an oxbow lake and I had a good chance to watch the whole process for many years.
Here's a video that explains it a bit.