This claim may not be entirely true. I think people clicked on this link because they couldn't see what it might look like when the dropdown is completely open.

This claim may not be entirely true. I think people clicked on this link because they couldn't see what it might look like when the dropdown is completely open. This plugin in question shows just the initial state of the dropdown. Whereas pictures of other plugins show how they look after user clicks on it i.e when the dropdown list is completely displayed.