Some do. Do people people go to sufficiently sociable cafés daily? Most people go with and talk to people they already know.

>and hold business meetings in church? Do religious people go to a church to do a casual date

Not in church, but with people they meet in church.

> or catch up with friends and associates

A lot of churches do have some socialising after services. Just serving coffee or something afterwards

Even without that people chat on the way out.

> on weekdays?

If you go to church on weekdays