There is need for key-in to reset text justification(or other) override value back to text style. Now to reset all the text elements so override values are not used it requires to go trough each text style with Change Text attributes command.
There is similar key-in for dimensions: change dimension justification fromstyle
key-in:dgnlib update textstyles doesn't work in this case because if text element attribute is independent from style then it is not reset to style.
/cfs-file/__key/telligent-ideas/d5d6c2ef-925b-4a51-8509-a07c253d4226/text_2D00_justification.zip