It is stated that Luka has a special style in writing and leaves space both before and after using a comma. But when an article in his blog is found , it can be seen that he does not leave space in front of the comma.
In the very start, it is shown that a person from the Facebook group is reacting in a post. Although the incident takes part in 2012 and Facebook reactions were presented in 2016.
At that time Facebook only had Likes and there were no Reaction to posts.