Scenario is simple ... I put some files in a folder .. then right click on folder to get a dropbox link ...
Here is one done today:
[link removed by moderator]
I send to user by email .... instead of being able to click and access shared files - Dropbox blocks access unless they create an account, people I share with often do not want to create an account - you advised users could close the window without creating account and access the files - there is option to do this here is a pic of what users see :