WT Society was always against education. Why? Because is more easy to control uneducate people. An uneducate person is easier to be controled by Cult groups, since the person lacks of knowledge and education. WT knows that if JWs send their children for higher education in few years of time there will be no members, specially from the Western World that they are already facing dicrease.
The unhealthy inviroment of the WT Cult is trying to prevent knowleldge from their followers, since the foundation of the WT is based on sand. The GB is traped within their own past mistakes and they are unable to escape from the concept that rules WT. Todays people have more knowledge than an educated person of the 19th century by only reading a newspaper. Russell was uneducated person, and relied completely on Millers and Barbours speculations. So since the start of the WT was wrong, so did Rutherford and Franz/Knorr they continued with the same pattern. Although Russell was closer to the "truth" the rest 3 they have declined from the original ideas of their founder, leading them in the to cultish paths.
A healthy faith accepts to be scrutinize and critisism, and does not afraid of education. On the contrary Paul was educated in the Jewish Law system, Louk was a doctor, and many Gentiles that converted to Christianity were educated people, a fact that can be easily shown from the Catacomb relics and the hunderds of thousands scrolls found in them. Not to mention the Fathers of the Church who were educated according to the Greco/roman higher education institutes and education was encouraged to the East Roman Empire and the Capitol Constantinoupole.
WT leadership knows that they have no Biblical or scientific ground to stand. Their archeological dates are wrong, their Theological base is completely wrong so they are trying to discourage their members to access that information. Personaly I know Christians that they accept Evolution as a fact, and so do I. The point is believing in evolution does not stop me to believe in Jesus. If God used evolution then is something that we cannot argue about it, because the Bible is only one of God's expressions for mankind, and claiming that is infalible it will be wrong since it was written by humans and does contains mistakes
Because WT's authority is based on the Biblical "perfection" a question of any Biblical "truth" is like questioning WT, that is why they are trying to keep the rank and file uneducated. While healthy faith ecourages to EXAMINE all things, even the Apostles asked from their fellow christians to EXAMINE them if they were in harmony according to the gospel that it was delivered to them. Can you imagine the GB to make a statement like that?