I'm thinking Yay
They would get stomped. CS has a lot of open angles and requires a lot of mental mapping potential rotates in their big maps, whereas valorant was deliberately made maps so noobs wouldn't get blindsided so much which neuters pro play a little, and that aspect of the game would be hard to adjust to in pro play. That's one of the biggest differentiators for pro play in CS, like s1mple and zywoo roam around the map like they have wallhack.