Tree based textboard

What does /prog/ think about boards like treeboard[1] and ayashii world[2]?

[1] http://tree-board.net/
[2] https://sonzaishinaiworld.heliohost.org/bbs/bbs.php?m=tree

>>18
content tagging is easily gamified as user-definable votes(vote on tag score +- defines the content-piece score as sum of its tagscore):
see https://github.com/FrozenVoid/Algorithms-DB/tree/main/Order/Sorting/Tagging/Tagscore/Tag-category