[peterska2]

not always. The code has to be unique and depending on the level of involvement of the edit it can often be better to make the changes manually. Plus another thing to consider is that with template edits via plugin you don't have the same control over them as you do with manual edits for things such as the order that they display in. For example, take the fields in the postbit here under join date. if these were done by plugin then they could well show in a different order. for something small it probably doesn't matter but for bigger items then it can have a negative impact.

Also to consider is that if you make any changes to your templates you can actually render edits via plugin useless if you change some of the code which it relies on.