Very suspiciously similar comments here
"Great article that contains some pithy aphorisms that I expect to see again and again."
"Great article that is approachable enough to share with less technical folk. Thank you!"
"Good article, I would add the good things about working with media different than text. For example, describing images."
They are similar indeed. The users have been around for a while so unless their accounts have been taken over, I wouldn't worry.