Or we could switch to eating plants now. We already get 82% calories and 63% proteins from plants. https://ourworldindata.org/land-use If the world adopted a plant-based diet we would reduce global agricultural land use from 4 to 1 billion hectares https://ourworldindata.org/land-use-diets We could stay on our 1% of habitable earth, lower our agricultural footprint from 48% of land to 15%, use quarter of pesticides,…
Even plant farming isn't without issues. Plant farming eventually strips the nutrients from the soil, and then they end up having to use lots of man made chemicals to "fix" the problem. We have to find a way to be more sustainable in our agriculture.
All of the problems you perceive about crops apply even more to animal agriculture due to trophic level efficiency loss. You're inadvertently making the case against animal ag.