because it's a choice
Edit: I misread "is" as "could be". It's a good thing to have because it could be a good thing to use. It may be a bad thing to have enabled by default, but it's a bad thing to omit outright.
Edit: I misread "is" as "could be". It's a good thing to have because it could be a good thing to use. It may be a bad thing to have enabled by default, but it's a bad thing to omit outright.