Right out of the box in Commerce Kickstart (downloaded 7.x-2.6 today), go to the content screen, choose "Filter by Slideshow"
Check all 3 of the default slideshows (all content of this type) and then use the VBO box at the bottom to "Delete"
When the view refreshes, the exposed "Slideshow" filter is still there, even though there are no slideshows left:
If you click the "X" on the tag, you get a throbber:
But then the page reloads and the tag is still there...
You can't even uncheck the slideshow option in the filter dropdown:
Clearing the query string resolves this problem...