Absolutely they do, I've had several people tell me they no longer invest in cryptocurrency due to a bad experience, which usually revolved around them being scammed in the most obvious waysuch as being scammed by a fake admin or handing over their private keys to somebody else.
I think it's always going to be one of the main barriers for cryptocurrency adoption, since the tabloids and newspapers love posting articles about how an old woman was scammed out of her life savings investing in Bitcoin or something similar.
Nothing we can do about it really.
Fraud is everywhere and these people should have been aware of the risks. For this, there are forums where people can verify the resource, find a reliable one and do everything so as not to be a victim of a fraud. because no one will help them in this, the responsibility is only on them. How many bad experiences have these people had? At what point did they stop? Someone learns from their own and others' mistakes, while others give up...