I agree, loopyloo.
I think that expecting people to drop everything and chat at your convenience is failing to recognise that people have things of their own to do. It's the same with dropping in unannounced. I am more than happy for people to call in, and I enjoy a chat on the phone, but not at any time to suit them. Women aren't (on the whole) indoors all day doing domestic chores and glad of a distraction. They have busy lives and things to do - all the more so since working from home became more commonplace.
I remember leaping out of the bath to answer the phone, as you didn't know who it was going to be, or even who had called if you didn't get there in time. When we got 1471 and caller display, the power shifted from the caller (who used to decide the time of the call) and the listener (who could decide whether to pick up and had the option to call back at a more convenient time). Now we also have messaging, and can ask if it's convenient, so why not do that? Do people really want to talk to someone who is busy, or would prefer to be doing something else for the sake of a 2 minute text to find a mutually convenient time?
Even my sister and I text first. We just say something like 'Fancy a chat? Not urgent'. Or 'Quick call about X? only 5 mins but important'. The reply might be 'yes, but in 10 mins as we're watching the end of a film' or 'Is tomorrow ok? I have a friend here just now.'