Nah, Google made search unreasonably good at finding what users are looking for regardless of how poor the query was. Calling searching in Google a “skill” is similar to calling getting sucked into social media a skill.
You can hammer in nails with your knuckles. Do you want to do that daily? There are people who can, they're still worse at it than a plain hammer or someone even using a right rock. Much less an assembly line.
I have very rarely needed the site: modifier, and even knowing this exists sets people apart, and reinforces there is skill to it