About time. This also applies to their older models such as M2 and M3 laptops.
In the U.S., the MacBook Air lineup continues to start at $999, so there is no price increase associated with the boost in RAM.
The M2 macbook air now starts at $1000 for 16GB RAM and 256GB storage. Limited storage aside, that’s surprisingly competitive with most modern Windows laptops.
You can use Linux with RAM compression to have the same kind of economy that MacOS does.
Just nobody bothers.