> It's a real shame that people continue to focus so much on quaternions in this day and age. No really, unit quaternions are nice because it's pretty clear th

> It's a real shame that people continue to focus so much on quaternions in this day and age. No really, unit quaternions are nice because it's pretty clear they belong to a sphere, therefore you can fairly easily extend geometric methods on the usual sphere to perform filtering, averaging, interpolation etc on rotations. With GA it's not so obvious.