Trying the module with default settings leads to frustration, as for example it's hard to understand, how to remove selected options. The "x" is missing, as I think it's disabled in the settings.
Also, the styling might be improved to better match Drupal Core themes CSS.
For a demo what to expect, for example replacing Drupal Views multiple select filters, see https://choices-js.github.io/Choices/
To get a feeling, what I mean:
After enabling the module and using it for a views exposed filter, it looks like this, with both node types selected:
I didn't know how to unselect them and would have expected to have the input behind the selected options e.g.
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