To see teleology in a physical or historical context is a valid argument, correct or not, and requires careful demonstration and proof but its use as an argument for the existence of god is pace kant most probably fallacious: the latter is borders on incoherence and has no stable referents.
The issues of ‘design’, teleology, proofs of the existence of god, and finally ‘intelligent’ design are all different and can’t be safely collated in a typical secular…
Source: secular humanist (and religious) confusion over…//The Teleological Argument – Darwiniana
Darwiniana 