Hand waving
You apparently don't understand what that phrase means. Any detailed, referenced explanation can be speculative, but it is not hand-waving.
If it is possible pathway it hasn't been proven to be.
Proof is for alcohol and mathematicians. Scence deals with evidence. Evidence can disprove, but not prove.
By that logic there are no Mormons since I don't know one of them who holds to everything Joe Smith thought.
As I pointed out, no one thinks everything Darwin was proposed is correct, so there are no Darwiniacs, according to your definition of "... one who refused to accept that Darwin's theory was disproved and turned it into a non-disprovable pseudoscience ...". Parts of Darwin have been disproven, and are nearly universally accepted as such.