- πΊπΈUnited States mlncn Minneapolis, MN, USA
Welp, there hasn't been a lot of interest in this over the years, it seems.
It should be possible to do this same thing without adding anything to Exclude Node Title, and without any custom code, by configuring Entity Field Condition on the page title block to not show for any content types you enable Exclude Node Title on. Using this module:
https://www.drupal.org/project/entity_field_condition β
Of course, at that point, you can replace Exclude Node Title with a boolean field and be done with it.