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Yes in theory men could probably figure out a way to create people without women, the difference is that very few men want to be parents without women, but lots, well some, women want to do it without men. It is also much simpler technically for women (although there still are bugs to be worked out, this won't happen tomorrow and even when it starts it will take quite a while to have a huge practical effect, the more immediate question will be what will be the effects of everyone knowing this is happening).