One of the reason we started to work on my own startup was to provide a credible alternative to Burpsuite as Zap was not evolving in that direction. If we had funding in the amount this letter wants per year it would easy to build it open source and free, but where do they think this money will come from? This is not like the Linux foundation which produces something businesses can use to produce massive amount of money on top. This is competing with commercial products in the space and potentially reducing their revenue.