I think the reason is that the indexing paragraph comes across as quite misinformed. The age of the baby would be 1 year even in 0 based indexing (age is a dura

I think the reason is that the indexing paragraph comes across as quite misinformed. The age of the baby would be 1 year even in 0 based indexing (age is a duration, not an index). And pointers are only one of many places where 0 based indexing is more natural.