Are aircraft tires expected to wear evenly from edge to edge?

Yes, but they rarely do.

If you ponder the stresses of landing, turning, and braking on those
spindly little landing gear, it's quite remarkable that they are EVER
aligned properly.

Most aren't -- thus, the funny wear patterns.
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"