Earlier quoted context omitted.
Apparently puritains and others of that ilk regarded dice as instruments of the devil
Which is interesting because in the Old Testament, "casting lots" was considered an appropriate way to divine God's will [1]. [1] https://en.wikipedia.org/wiki/Cleromancy#In_Judeo-Christian_...
https://www.atlasobscura.com/articles/dice-evolution-fate-fa...
In summary, even if the old dice were not fair, it was not an issue because they were a manifestation of the divine.