Lamar Jackson perplexed that other teams know their plays

I just wanted to talk about this a little bit. I think good opposing defenses always did this. Why is he surprised? Is he being naive? I remember Jonathan Vilma kinda priding himself on how much he knew about the opposing offenses plays.

https://www.espn.com/nfl/story/_/id...-says-defenses-calling-baltimore-ravens-plays