come on man, now you make me feel responsible for wasting your time writing such long post
it was never directed your way anyway, but more of the "local fanbase" so to speak, who usually does this additional tagging, without bothering to read this site tag definition or just out some fanatical devotion
on side note - i long stopped reporting incorrect tags or mistakes in the OPs, seeing how mods themself don't give a shit about their own rules, you can see bright example of it in "latest updates" not too far from your own game, being mod+gamedev is sure convenient combination...
about harem ending - IMO it doesn't justify having harem tag, considering whole rest of the game, "actual gameplay" so to speak, is completely separate solo LIs paths, whatever happens after credits doesn't really matter at this point - there is no harem content during the game
about future tagging - sure current system doesn't fully support planned content in terms of searching, but there is still option to put future/planned tags in the OP, and usually it work just fine, if game barely have tags - you can click it and check what is planned, if you searching for something specific - well there are no such things here anyway, "yet" or period - doesn't matter
we, as players, already have to deal with ambiguity of amateur AVNs development - there are no guaranties, no responsibility, if game will ever be finished, what changes dev suddenly decide to make (completely changing reason people was interesting in a first place), will it turns into another milk factory, yet another remake or just get abandoned... if you add to this ability to decorate header with all tags in existence - to help search, attract people or just because dev thinks he can implement it - it just becomes too much... again, it's not directed your way, i definitely not accuse you of anything, and sure - i also don't touch whole "this is pirate site" and "you get it for free, stop complaining" clusterfuck, thats whole another discussion