A teardown of the M3 MacBook Air may as well be a teardown of the M2 model with some labels swapped.
A teardown video from iFixit shows the M3 MacBook Air, in either size, is simple enough to take apart with the right screwdriver. The lack of a lot of glue and tape is a nice change from Apple’s Intel era, and modular components show that times are changing.
Users may be able to disassemble the M3 MacBook Air without much issue, but repairability is still a problem. Most of what a user would want to address, like RAM or storage, are not replaceable.