The supply of IQ-145 partners is limited. That aside, I don't think I understand your point.
By using partner selection you can already greatly increase the expected IQ of your children (worked for me!), so it shouldn't surprise us that other methods will also work to do this. The supply of sperm from IQ>145 men isn't all that limited.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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