This is because [this reconciliation between the ḥadīths] negates contagion in principle, completely, as is stated explicitly in the authentic reports.
Imām Aḥmad (along with Imām Mālik) was upon the view of negating contagion [as a matter of superstition] and eating with the sick (leper) with trust upon Allāh.
When it is said that he was born upon the fiṭrah (original, innate disposition) or that he was created ḥanīf (upright) and what is similar, the intent behind this...
The Mutakallimūn (speculative theologians) spoke on the first obligation and under the influence of their kalām theology asserted that the first obligation is to prove Allāh’s existence.
Allāh the Exalted said: "Those who believe and do not mix their belief with oppression, they will have security and they are (the ones) who are guided."
False worship and false religion are based upon certain assumptions and beliefs on the basis of which servitude, devotion and enslavement are shown to deities besides Allāh.