Wasn't your original complaint that buying season tickets of any duration wasn't saving anything worthwhile compared to buying daily returns?
On my suggested similar journey monthly or annual season tickets do make a significant saving. On your journey this doesn't appear to be the case.
The difference between an annual ticket and your 10 months + 3 weeks option is a different issue.
Not exactly, I asked what the point of them was, giving one example of how poor value they can be, and I think bringing up the lack of savings with a 12 month ticket vs buying monthly tickets does brings into question what the point of that particular type of ticket is.