Depends on the wasp, “wasp” includes so many species you might as well say “mammals aren’t good they’re useless and ontologically evil and deserve nothing but death” except there’s like 20x more species of wasp. Only a few wasp species sting, and those can go fuck themselves, but the rest are pretty cool pollinators or parasites of other insects (some of those insects harmful to humans, even). There’s a species of wasp that’s so small it’s 186 μm long on average (smaller than many amoebae), a few of them fit into and parasitize insect eggs, and during development remove the nuclei from their neurons so their brains can fit. They’re pretty cool tbh.