Nothing cryptic about this; old traditionalist views of the Constitution (e.g. Thomas, possibly Scalia, possibly Alito) wouldn't see anything unconstitutional about this middle approach at all. After that, getting the consensus back on the court all politics. Seems your conservatism hits a hard limit mid 20th century and you might choose to vote Democrat for president rather than risk the, er, "clock be turned back."
Scalia, probably. Thomas, maybe. Two. I don't know another creationist sympathizer on the court.
One problem in Dover was the science teachers didn't like ID one bit.