Evolution is quite fine with individuals suffering, so long as it has a net effect of propagating genes being more likely. There are likely many genetic and en

Evolution is quite fine with individuals suffering, so long as it has a net effect of propagating genes being more likely. There are likely many genetic and environmental factors that all contribute to ASD. A gene that is generally helpful, even if debilitating when paired with an unlucky combination of other factors, might still be very strongly selected for. Some people on the spectrum deeply suffer, but for every such case there are many more moderate cases, to the point we might not even recognize them as being on the spectrum, that can be very successful under the right circumstances.