So, using 'the least' before short adjectives is not ungrammatical, but sounds unnatural. "The least tall' doesn't sound natural, but it could work in some certain contexts. You know that basketball players are known to be tall. So, I think 'least tall' could work when we talk about them.
Another example is used by Garner when he says that 'least worst' should be 'least bad'.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .