People hate in things they don't understand or don't want to understand.
Especially if there is profit intact - then surely, there will be fudsters, always.
But those who dig deeper will change their stances and keep their heads higher than such misconceptions.
They love to say bitcoin is nothing but air because you can't see or touch it.
They said the same thing when molecules and atoms were first discovered.
The scientists who discovered bacteria were ridiculed for their ideas.
I guess electricity isn't real either because you can't see or touch it.
Some will only become believers after getting struck by 200M volts of lightning.