Stickers!
Or better yet, gelcoat. If you can get a color match to your hull, then filling the scratches with gelcoat is the ticket. Of course, the tricky part is getting the result nice and smooth. Hand wet sanding with successive grits of sandpaper and finishing with compounding and polishing.
Depending on the condition of your topsides, that could leave obvious, shiny areas where you've made the repair, which will stand out more than the scratch did.
You could fill and sand all the scratches, and then wet sand the entire topsides starting with about 800 - 1000, to 1500, 2000, and then compound and polish (or some regimen similar to that). The information is out there on this if you want to pursue it. Reapply your boat name graphics and re-stripe the boat while you're at it.
All depends on how far you want to go with it. Although, ignoring it might start sounding pretty good once you see what's involved.