Again, it's only relevant if there is a fixed pool that both are being drawn from. Unless you are planning on spending 100% of world GDP and 100% of world land

Again, it's only relevant if there is a fixed pool that both are being drawn from. Unless you are planning on spending 100% of world GDP and 100% of world land area on carbon capture plants, you are not sacrificing any future Gen 2 plants to build a Gen 1 plant. Even in the magical world where we know for certain to what degree Gen 2 can outperform Gen 1, and there was no cost to leaving carbon in the atmosphere for 20 years, Gen 1 + Gen 2 will still always outperform Gen 2 alone. In the real world, racing to do something now with technology that works is obviously better than letting the problem fester in the blind hope that it will become easier to solve later. Engineering is not about maximizing efficiency, it is about successfully solving problems. The guiding question is always "what get's the job done?" It doesn't matter how superior Gen 2 plants may be, if you can't build them they aren't an option.