Question about "faith"

[John 6IX Breezy]

For example, if Jesus had meant that blind faith is good, how would you show that the other meaning was not meant, or falsify the hypothesis that he is suggesting something other than blind faith?  If you have no way to know, then you're just playing on the ambiguity to make a bald assertion.  As such, your assertion would hold no water.  So, how would you falsify the faith as trust/confidence hypothesis?

Thank you for the thought-out response. Whenever there is ambiguity somewhere, rather than exploiting it, I personally look to other examples that are less ambiguous for clarity. I think those examples outweigh the ambiguous ones by number, but we can put those aside for now. It's also important not to mix our metaphors in this verse. When people say "blind" faith they mean something like "believing for the sake of believing." Yet, in this verse, sight refers to the very physical act of Thomas observing Jesus. As such, we should avoid metaphorizing sight in this verse--it means literal vision.

To answer your question (as I have understood it), I think the idea that Jesus meant "blind faith is good" is falsified by the events of the story. The immediate people referenced by the phrase "did not see but believed" are the rest of the apostles. These are individuals that not only saw miracles and had evidence that Jesus was the Son of God, but were told that he would resurrect. They are blessed, not for being blind, but for believing both the women that saw him, and the things Jesus told them, despite not having seen him resurrected as of yet. Its worth noting that by the end of the story, everybody did see him resurrected.

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Who are the proposers in this case?  What reason do we have to believe they have specific competence in the relevant area?  Why do we trust or have faith in their competence?

The proposers are the surgeon, the dentist, etc.; they are the ones proposing the aforementioned things (flying, cosmetology). In the analogy you have trust in their competence because they provided you with their qualifications. Degrees and licenses are symbols of sufficient competence in society. Whether or not they'll actually give you a good haircut, and won't run the plane into the ground in an act of suicide is completely unknown.