I get what you are saying about the role of bass, however one thing to consider, is that the 7th and 8th strings of a guitar play the notes traditionalally played on bass guitar. So by playing bass notes on guitar, you do actually free up the bass guitar to play a more melodic role. Fretless bass helps give the instrument a more expressive timbre so it works really well. This is the neq sound of tech-death
I get what you are saying about the role of bass, however one thing to consider, is that the 7th and 8th strings of a guitar play the notes traditionalally played on bass guitar. So by playing bass notes on guitar, you do actually free up the bass guitar to play a more melodic role. Fretless bass helps give the instrument a more expressive timbre so it works really well. This is the neq sound of tech-death