First what you will need to do is get some commonsense. That might be hard for you, but if you had just a little it would then be apparent that it is a scam.

No, my parents and grandparents are all more than comfortable with technology and have enough sense not to fall victim.

And yes, folks do deserve to be taken to the cleaners if they fall for such foolishness.

Don't worry about my inheritance because if my parents want to spend every dime of it, that is their right because it is theirs and they earned it. I don't worry about it or count on it.