“That’s like saying: How much greater would Rav Aharon Kotler or Rabbi Yaakov Kamenetsky have been if they had not read classical literature in their younger years or how much greater would the Lubavitcher Rebbe or Rav Hutner have been had they not studied in the university.”
The GRA declared in his commentary on Laws of Avodah Zarah that even the Rambam has had certain of his Torah positions corrupted due to the influence of his secular studies in philosophy.