PR
The point I was seeking to illustrate is that GPS is a very powerful tool for providing a pilot with the information he needs when having to think on the hoof. It provides a means of navigating that is far less error prone and far quicker than traditional navigation in these type of circumstances.
As I am sure you realised my point was to wonder how many traditional navigators could accurately and quickly complete a diversion of this type if asked to, never mind if they had to.
What your shortcomings and consequences of mistakes have to do with anything leaves me struggling.
The reality is sometimes a diversion over some distance is necessary for all sorts of reasons and I can think of numerous reasons which do not remotely have anything to do with pilot shortcomings. A true traditionalist of course would use nothing but the equipment in a Tiger Moth. GPS provides another way of going about it which is far more sophisticated.
If you prefer to do mental arithmetic rather than use a calculator then good for you. As I think IO540 said it doesnt matter to me how you navigate.