The first thing is that they may split into different repositories so if you need a specific sudo-ldap functionnality you install the correspondant one to your need. The second thing, after apply this, maintenance time will be easier. The concept is similar to coding when you have one module including everything or you just split into 4 or 5 modules so update a specific module does not affect the other modules. This seems legitimate to show this warning message. I do not want to repeat what is stated in the documentation that I have readen mentionned in this thread but this is my point of view.