According to spec it's nearly impossible to correctly edit files in this format by hand.
2. Generated TPSV would look like an unreadable hard to edit mess. I doubt any tool would calculate max column length to adjust tab count for all cells. It basically kills any streaming.
> 1. It's quite easy to miss a tab and use only `|`.
Any format is hard to edit manually if you don't follow the requirements of the format (which are very simple in this case).
> 2. Generated TPSV would look like an unreadable hard to edit mess.
CSVs are much less readable than this, but still entirely possible to edit.