But, PAXboy, almost every booking site shows you the total fare from the outset. Certainly, every website I use to book air tickets (opodo, travelocity, expedia and BA) does. And that's the only thing you should be looking at - how much you are paying to take that flight. The breakdown of taxes, charges and fees is completely irrelevant.
I don't know why you're singling out BA's insurance surcharge, because that is already included in the fare they display on screen. It is not added on afterwards.
The charges that passengers can rightly be angry about are those levied by low-cost airlines in addition to the fare - check-in fee, luggage fee, priority boarding fee, rip-off credit card fees and all the rest. Yes, we know about them and you could argue that an intending passenger should read all the terms and conditions before booking, but your average no frills passenger is not going to understand the complexities of today's airline business model.