make jewlery out of gold [...] this is not what gives these things its monetary value.
Actually, making jewellery is one the things that does give monetary value. If gold was a dead rock, with boring grey color, it'd not fit to you as it does now. Being pretty does satisfy need. There are far more clever ways to utilize it essentially, though.
All of these Bitcoin haters keep bringing up what they cant use it for and that this is what makes it worthless
I think bitcoin haters exist solely because of:
Misinformation, ignorance, arrogance.