This is kind of the travel Tilt-a-Whirl a lot of us are dealing with in the COVID era - and it was actually somewhat prevalent pre-COVID.
Go with airline A for a while; then have a bad incident where it really screws up your day. Vow never to fly THEM again. Switch to airline B for a while; then have a bad incident where it really screws up your day. Vow never to fly THEM again. Switch to airline C for a while; then have a bad incident where it really screws up your day. Vow never to fly THEM again. Switch to airline A...