Lots of people that know scripts to be evil.
I only turn them on for sites I trust. Never navigate on sites you don't know with scripts on, that's one way to catch malware, trojans, virus.
And even sites I trust I only turn on the scripts that are absolutely vital... so scripts that are for ads*** I just leave them off. No need to let the devil inside on purpose.

I use Firefox with NoScript, plus UBlock Origin and Cookie AutoDelete... I'm a bit paranoid about scripts. I used to also have NoFlash, but new FF no longer supports Flash, so that solved the need of using that blocker.
If anything, just add some text for to the "non-script" visitor.