I dont necessarily disagree, but the sharing games is a big tent - and if the mc is on board with that stuff as simpy or pathetic as he might come off, then it still belonds here. Indeed, it screams classic IR cuck setup.
Your markers already gives us good hints as to games that are mostly oriented towards certain subjects. What I haven't checked extensively is whether that marked content can be avoided in any particular game, by selecting a specific path. For example, if you mark a game IR, does that mean unavoidable BBC fetish, or could there be at least one path where you can completely avoid it? Conversely, the NTR marker gives us a good idea of which games are mostly oriented towards cheating and/or MC passivity, humiliation, etc, but is it possible that some of those games contain at least one relevant path (sharing, not vanilla) where you can avoid it and play a stag MC? Also, for those who prefer a submissive MC, there's not enough information since your NTR marker deals with FMC cheating or NTR vibes that escape the MC's control, not the MC's personality.
Just thinking, not requesting. Looking at the list of games I played, I could mark only a few of them, because I only ever play my preferred route; couldn't say anything about parts of the game I avoid. I assume it's the same with most people, although a few might like to explore all choices and be able to give a more complete assessment of games they played.
Just always wonder what sort of rage would be generated in the "tags" discussion thread, if someone were to suggest that "cuckold" should be a tag, haha.
I'm sure it's been suggested and discussed. Followed that thread for over a year but nothing new ever came out of it and I unwatched it, now I can't find it anymore

I suspect tags isn't a good method to qualify games, CYOA and choice-based VNs. For regular fiction and kinetic novels, they're good, but once you introduce branching and choices, you just can't tell whether a tag applies to the whole game, or an avoidable path, or just a single scene.
On a sidenote, I wish reviews had to be entered through a form, where you needed to fill in a few set fields, might make them more objective and useful as a source of information. As it stands, I prefer to read threads than reviews, in general.