Originally Posted by RadiantBeam
No, I get that. I'm just baffled as to why Suzuha dying of illness had an effect on the timeline compared to when she committed suicide, since it seems that in both timelines she never found the IBN computer.
What actually caused it was Okabe not stopping her from immediately returning at the night of the rainstorm. Since it's still the Alpha world line, she'll die at the same time regardless, but without amnesia, she died naturally rather than suicide.