But this is autobiography not argument. The argument here, such as it is, is that any subjectivity in the notion of structure would infect all the domains in which structure is applied. If structure is just a reflection of our language (or whatever) then so are the facts about similarity, intrinsicicality, laws of nature, the intrinsic structure of space and time...And this is incredible.
At its last step the argument again reverts to autobiography. Certain philosophers will rightly remain unconvinced, for example "antirealists" of various stripes--pragmatists, Kantians, logical positivists, and so on.
A certain "knee-jerk realism" is an unargued for presupposition of this book. Knee-jerk realism is a vague picture rather than a precise thesis. According to the picture, the point of human inquiry--or a very large chunk of it anyway, a chunk that includes physics--is to conform itself to the world, rather than to make the world. The world is "out there", and our job is to wrap our minds around it. This picture is perhaps my deepest philosophical conviction. I've never questioned it; giving it up would require a reboot too extreme to contemplate; and I have no idea how I'd try to convince somebody who didn't share it. (Sider (2011), 18; emphases in original.)
I bet such a Martian would note that if you have never tried to question your own fundamental convictions, you most feel very anxious about the status of your convictions. Moreover, she would add that one way to convince another is to engage their arguments and positions; maybe rational persuasion is too much to be wished for among Terrestrials, but the other may feel 'heard' and, thus, secure enough to re-evaluate their own stance. Finally, she would note the religious language here (e.g., convictions, conforming, unquestioning, etc.).
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