You have to pick something as your starting point.
The sharps and flats diatonic system is way easier to read because you just mentally parse "key of D" instead of "start on D but also sharp the F and C". It takes time but your brain just starts to grok shapes.
"Piano roll" notation, like in DAWs/midi editors, is actually in certain ways a lot hard to read than staff notation, due to the lower density and lack of reference frame. It _is_ easier to see chord shapes transposed up and down as the same. But I'd argue that's an anti-feature, because of said lack of reference points. The symmetry /sameness makes it a lot easier to start on the wrong note.
The sharps and flats diatonic system is way easier to read because you just mentally parse "key of D" instead of "start on D but also sharp the F and C". It takes time but your brain just starts to grok shapes.
"Piano roll" notation, like in DAWs/midi editors, is actually in certain ways a lot hard to read than staff notation, due to the lower density and lack of reference frame. It _is_ easier to see chord shapes transposed up and down as the same. But I'd argue that's an anti-feature, because of said lack of reference points. The symmetry /sameness makes it a lot easier to start on the wrong note.