这个shared fence需要修吗？

从邻居家院子里望过来的，我觉得没有必要修。他说:

Not a lot to show but it is sagging in towards your yard and as a result
starting to separate at the top

https://drive.google.com/file/d/1WiwD7iHnNFh_g3BKRylrsSKbw-KxaPjW/view?usp=
sharing

修一下吧，弄个横条订一下
你这边都是树，不会影响美观