I don't have problems with phones yet.Its Early days.
I do have trouble with staff in nursing homes talking loudly during performances.
Could it be younger people are not being trained in how to behave during live perfomances.
Perhaps they cannot see the difference in watching television and an live act.
I have been conducting a male church congregation for many years and in one instance we had started a hymn and I noted there was talking and illattention.
I saw red and stoped the singing and in a nice way demanded their attention.
Haven't had any more trouble for years.
One brother a good friend was so taken aback the he told of the event wherever he went round the world.

Cousin Ken