As said - basic maintenance. Those leaves been there Fro autumn so the hood hasn’t been opened for some while.
Rest assured - that was the cheapest place to put itWhen EmilysMum's Citroen poured water inside the car via the interior fan it was due to the who e leaves etc but .... Citroen, in their infinite wisdom, put a drain point right under the wiper motor completely out if sight.
The french have had a sense of humour in car design for decades.
Somewhat harsh. I had a Citroen back in the 90s that only ever had one minor issue in 80k miles.The worst or nothing ....
I’ve had three Peugeot’s over the years and nothing really wrong with any of them, even the last one with the three breakdowns (all of which mechanical mind and could have happened to any car) were great cars just not an Eclass