In the attempt to understand and present things with logic and reason we churn the philosophy, then the nectar rises to the top. Tusyanti ca ramanti ca. It is nectar. The Lord says, so it gives great satisfaction and bliss. There is no impediment to spontaneous devotional service by this approach.
Krsna consciousness is buddhi-yoga, buddhi implies reason, discrimination, analytical thinking.
And Krsna promises us that He will give us more intelligence, as soon as we use what we already have to the maximum. This means applying the philosophy in the Gita in practical life. The practical example is Srila Prabhupada. Also, Srila Bhaktididdhanta. Actually, sentimental people do not know what nectar is.