You really think it's bad to charge a lower price to lower income countries? A drug company should just charge people in Egypt the same as the US?

You have that backward.

They charge everyone as much as they can get away with, its still the same old supply and demand. The issue is that say France/Egypt/India can provide an organize front when dealing with pharmaceutical companies so they get better deals.

Ever seen the video with Ron Paul being asked a question with what should happen to a person who has no insurance but needs immediate medical care and the audience shouted "Let him die!". There's your answer.

Never gets old: https://www.youtube.com/watch?v=PepQF7G-It0

It's hard to disentangle things, as publicly-sector-developed drugs also rely on privately-funded research.

For a simple example, an academic or non-profit group might get reduced cost access to research materials and software.

Also, publicly-funded research may have a mix of funding sources, including private philanthropy and for-profit companies.

Worse yet, you donate money 'for the cure' it's discovered and sold back to you at 5000% mark up.