There's something rather sad yet admirable about these people with so much hope and determination but no knowledge of the technology they are trying to ape. Its hard to realise that something we take for granted is still foreign, exotic magic to some who see the magic from afar but haven't had the benefit of an education to understand that what they are attempting is doomed to fail. What might this fella and doubtless millions more like him achieve with a bit of schooling?
Parhaps someone could gently tell him that a seaplane is going to be even harder to get right, and that it will inevitably end up 50m down rather than an unattainable 50cm up.