It was written on a T-shirt: "Do not disturb. Just don't."  
What does "just" mean here? Does it mean that all I want is that you don't disturb?

[![enter image description here][1]][1]


There is a difference of opinion between the respondents. What is the opinion of someone whose mother tongue is English?


  [1]: https://i.sstatic.net/E3TJnm.jpg