I think that people have yet not believed in cryptos changing the world as we saw it few weeks ago. Their goal with cryptos to be more wealthy, but when we understand the potential of cryptos, which could create wealthier world the situation will change, I believe so at least.
I think you should tell the younger colleague about HIVE ;)
Most value what is in front of their eyes and they can touch right now. WE are shortsighted and therefore, don't have a long reach to grasp the future.