At the time, the problem was that most reviewers couldn't understand the code that produced the result, so they felt that they were accepting a result they coul

At the time, the problem was that most reviewers couldn't understand the code that produced the result, so they felt that they were accepting a result they couldn't meaningfully review or independently confirm. A lesser issue was philosophical -- it didn't seem like mathematics was "supposed" to be conducted. This second issue has pretty much evaporated in the intervening years.