Only just come across this.
We allow our 3 and 4 year olds virtually no screen time. However now our 4yo is starting reception in September we are worrying a little that she will be behind when she starts.
That said, we wouldn’t have done things differently. They only get about 20 mins of TVs every other day and then only BBC iPlayer.
We do try and do a family movie every Sunday though. Mainly so I can try and influence their taste in films!