[Dalewyn]

>This codec isn’t supported on the web. So it is Android and iOS only.

So it is supported on the web.

>This was probably done to reduce storage and bandwidth, not to improve audio quality.

Packing more information into the same amount of data is the literal definition of better quality.

>Phone speakers aren’t good enough to notice.

Maybe not, but phones can be connected to headphones and speakers which can. Especially if they connect via 3.5mm audio jack.