Uses ignorance as a call to inaction by judges. Absent certainty "proven "clear beyond a reasonable doubt", make no changes.

Deflect discussion from the goals of government (Preamble to the Constitution) to social science research, such as it is.


Nothing pretentious enough to warrant the name of theory is required to decide cases in which the text or history of the Constitution provides sure guidance.
Somewhat more difficult interpretive issues ... can be resolved pretty straightforwardly by considering the consequences of rival interpretations.
The big problem is not lack of theory, but lack of knowledge--lack of the very knowledge that academic research, rather than the litigation process, is best designed to produce. [emphasis added]
If even the experts know very little about education, ... this implies that we should welcome continued experimentation and diversity. [THE CRUX no change until proven "clear beyond a reasonable doubt." See first quote from Thayer above.]
[Romer v. Evans] Ignored are the questions that an ordinary person, ... would think central: why there is hostility to homosexuality and whether the challenged amendment was a rational expression of that hostility. Okay to rationally express hostility? What targets are acceptable? Blaine Amendment (Catholics), etc.]
... to suppose that securing equality for homosexuals is part of the meaning of the Equal Protection Clause is equally a leap of faith. [Equal Justice Under the Law]
In any event, most Americans, whether religious or not, dislike ... and in particular do not want their children to become .... They are not sure whether ... is acquired or innate, but, unconvinced that it is purely the latter, they worry about their children becoming ... through imitation or seduction. [Posner replaces "..." with "homosexual". Choose your group.]

2023-10-11: Posner Against Constitutional Theory 1989

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