I'm not a vetiver fanatic myself, but I find Lanvin's Vetiver to be quite pleasant. Creed's OV is pretty nice too. However, I don't consider it a pure vetiver scent. It's more on the soapy side. In Guerlain's case, I find the vetiver in the drydown to be quite a lot for my tastes. I like the green, citrus topnotes but then the scent is ruined for me when the "earthiness" of the vetiver note fully develops. It's a matter of personal preference and not everybody is keen to certain notes. Give it some time and come back to it. Maybe you'll like it later on and maybe not.