Evolution doesn't always mean an animal becomes objectively better. There are a lot of factors in play.
Research Sources:
Averof M, Cohen SM. Evolutionary origin of insect wings from ancestral gills. Nature. 1997 Feb 13;385(6617):627-30. doi: 10.1038/385627a0. PMID: 9024659.
Deora T, Singh AK, Sane SP. Biomechanical basis of wing and haltere coordination in flies. Proc Natl Acad Sci U S A. 2015 Feb 3;112(5):1481-6. doi: 10.1073/pnas.1412279112. Epub 2015 Jan 20. PMID: 25605915; PMCID: PMC4321282.
Image Sources:
https://www.britannica.com/animal/insect
https://www.marylandzoo.org/animal/sebas-short-tailed-bat/
https://academy.allaboutbirds.org/course-list/
https://www.smithsonianmag.com/science-nature/dragonfly-dramas-56810631/
https://www.livescience.com/24071-pterodactyl-pteranodon-flying-dinosaurs.html
https://ptes.org/campaigns/stag-beetles-2/stag-beetle-facts/
https://www.planetnatural.com/stag-beetle/
https://genent.cals.ncsu.edu/insect-identification/order-diptera/
https://senecaparkzoo.org/mombasa-golden-starburst-tarantula/
https://news.osu.edu/fossil-is-the-oldest-known-scorpion/
https://critter.science/the-fascinating-tailless-whip-scorpion/
https://www.sciencelearn.org.nz/resources/2756-insect-antennae
https://newsroom.ucla.edu/releases/whip-spiders-only-look-terrifying-ucla-biologist-reports
Video Sources:
FD Wildlife Ep.5: Just Insects
Real Science- The Insane Biology of: The Dragonfly
Monster Bug Wars TV Series
Walking with Monsters Documentary
Backwater Reptiles- Whip Spider AKA Tailless Whip Scorpion