Hi Robert,
I sympathise entirely. Unfortunately so much software does that now and I object too especially so when I had dialup. I would just pull the phone plug out when it started dialing, as I found it so irritating. Now I do have broadband but I connect via a wireless connection. It is only a single click to turn it off, so I leave it that way unless I am actually using the internet. It then gives me a fiendish sense of delight to think that I have beaten the system as software complains that it "cannot find a network" or something similar.

Having recently retired I was quite astounded at the government services assumptions that everyone does everything on the internet. Certainly some older ones have caught on just in time but recently the government here had to create a whole lot of paper forms, as most of the pensioners who were supposed to be using their website to do everything, did not even have a computer!
Something else I find partiularly irritating is when some software has all the Help screens on the internet, so if you are using it 'offline' there is no Help available. I used to come accross this on the train - there were many 'dead spots' so no Help. What about the people with dialup or no connection at all? Thankfully TFP Help is not done that way!
Having said that I do use the internet capabilities of my mobile phone a lot. It notifies me if someone has posted a reply on the forum for example, so I ofter reply through the phone as the cost it tiny - more often that not it is NIL, as the KB are so low that they do not register. The forum loads as 60kb and there is no change for 100kb or less. Obviously if I open some of the images there is a charge but a least there is no phone call charge and time spent on the site is not charged either.
I agree with you that it would be nice if the TFP 'net' panel could be turned off, particulalry for those with dialup connections like yourself, but I think you and me are a dieing breed and I don't think somehow we are going to make much impression on the 'online' populace or the software developers!
Allan