Not sure if it is really sanitization issue. But certainly perceived one - it can be mess. This was not unique to US. I remember on the other side of the Iron

Not sure if it is really sanitization issue. But certainly perceived one - it can be mess. This was not unique to US. I remember on the other side of the Iron Curtain we planted in cities mostly just male dioecious trees. Finally no fruit ...just pollen everywhere. (Good luck with allergies)