as someone who switched from a macbook to a g14 with fedora, the trackpad experience is actually surprisingly close on some laptops, I had few issues moving over.
energy efficiency is more something you notice to be better on macs (in most cases) like you pointed out.
for me efficiency is not bad, but macs are clearly ahead
pinch zoom works in inkscape, gimp, rnote and firefox as an example but for other apps also not at all often. yeah app support is for sure better on macbook i didn’t think about that.
at least new linux apps seem to integrate it more (generally) …