I agree with the reasons and conclusion for these different developmental periods. Children are very smart and enjoy helping older people with things that they know how to work.
Whether or not you agree with your colleague’s conclusion(s), describe how one of your colleague’s stated advantages may actually be a disadvantage in the chosen developmental periods or vice versa.
In regard to technology, children that are receiving cell phones at an early age are the ones that always end up in trouble and cause many problems in and out of school. My mother would describe them