People tagged with “No Bulk Email (User Opt Out)” seem to be receiving bulk email
Per this I am also seeing this behavior: https://civicrm.stackexchange.com/questions/29318/people-tagged-with-privacy-no-bulk-email-seem-to-be-receiving-bulk-email.
I checked wpmaster.demo.civicrm.org and my prod site and when composing an email I added 1 record to a mailing group on each site and it says 'No Recipients' on both. That is correct.
In our live installation we know this is not working because the email recipient replied to the mass email sent saying they tried to unsubscribe 3x even though the field 'No Bulk Email (User Opt Out) is checked.
We use Sparkpost if that could impact this. On WP 5.2.2 and Civi 5.13.4