Privilege vs Right

I’ve the following paragraph

All comments are screened for appropriateness. Commenting is a privilege, not a right. Good comments will be cherished, bad comments will be deleted.

Could anyone enlighten me what difference is between Privilege and Right, please? I’d be grateful.


[countable] a special advantage that is given only to one person or group of people.

[countable] something that you are morally, legally, or officially allowed to do or have.

It’s crystal clear! Thank you!