For me, it is the Tachi workout style ad. I said “style” because it started out to sell Tachi workout, then gradually moved on to sell you Speech training exercises.
Format is the same:
I’m {insert age above 50}, I dont follow experts instead i use the {insert their products} for {insert number less than 10} minutes per day.


This one:
https://youtu.be/AAeg7uG3v7s
This was sincere, not ironic. The commercial was already old when it was posted in 2009.