Can I delete the .Spotlight-V100 file

I don't need spotlight on macOS 10.15 Catalina. Referencing https://apple.stackexchange.com/q/400812/ Here's a picture of my spotlight thing, which was only visible when I paid the $10 for daisydisk When I double click down on this thing it has files like dbStr-2.map.data which is 189gb etc, but on the internet it says to never delete file that start with dbStr... because the mac will be irreparably ruined. I'm a PC guy, let's be honest. So, can I just drag those hateful green sectors into the circle on the bottom that says "Drag and drop files here to collect them" Also, I typed sudo mdutil -i off. Is that going to mean spotlight doesn't make another enormous index on by 500gb disk like a cancer?