This is one of the age old equivocations of the church
To deliberately confuse
Faith proper noun (a religion)
with
faith noun (to trust)
and
Faith Theological proper noun (to commit to believe without proof)

They do not even have the same etymological roots

The noun and proper noun faith both come from from the Latin fides meaning trust, or reliance
The Theological Pronoun Faith comes from the 14th century when it was bastardised from the Anglo-Saxon Foi and Troth To pledge your self unconditionally, Hence Foi'th > Faith

You're expecting rationality??

Seth Andrews did an excellent program: "Christianity Made Me Talk Like an Idiot"

A nice enough looking house and garden and nice enough behaviour when they are out & about should be the sign. Curtains - plant on window sill? There might be a reason - but if we don't know, why worry?