Why should I want to use smartlog instead of something like tig? While at it, I am amazed how much effort people put into not using git as intended due to some

Why should I want to use smartlog instead of something like tig? While at it, I am amazed how much effort people put into not using git as intended due to some (often imaginary) corner case shortcomings I do like the performance improvements and git sync however, maybe they could be merged into mainline git?