Is this a translation issue? Do you not understand what is written here?
"10 tags you can have" is not the same as "10 tags to chose from". You (as a publisher) can only select 10 tags for a project.
(1) I never received answers to my questions. (2) Why is the 3D tag added to games (3) that do not correspond to the (4) description of this tag on the site and (5) no one does anything about it? (6) Why can't you remove this tag and add two others as I suggested?
(1) You did. Just read them again.
(2) Wrong assumption. It is the devs that do it. Talking in passive form implies that itch or some automatic does it.
(3) That is a matter of opinion in most cases, including "3d".
(4) Feel free to click the link below the tag description that reads "Suggest updated description".
(5) About what? People having different opinions than you about what constitutes correct usage of tag 3d?
(6) Who is you? You are not talking to itch representatives here. Your are arguing in a community thread. Itch can't remove a tag in a system, where tags are created by users of the site. They might block an offensive tag, but otherwise, what tags are used and who uses it for what, is completely user driven.
Oh, and this is used by a few games https://itch.io/games/tag-3d-game This is not https://itch.io/games/tag-3dcg
Both the tags you propose exist already. But no one uses the second one.
There will be no benefit until these correct tags are fixed on the site. Let's say I'm a game developer, I add my game but I don't find a suitable tag in the list of site tags. What to do? Can I make my own? You are trying to convince me that I can. Fine. What's the point of this? The site does not offer this tag. There is only one game marked with this tag. Naturally he will not be successful.
I do not need to convince you. See and believe! The point is, that itch offers general purpose tagging, as you would see on a photo album site.
Oh, and according to your logic, all the 170 games in that list would be unsuccessfull because of their usage of that tag.
https://itch.io/games/tag-banana
You still haven't answered how I can search for 3D games?
And this from someone accusing me of making an idiot of myself on purpose. I already gave my advice. You do not need to take it, but stop acting like it was not given.
Do you see a minus symbol somewhere here?
How to do that, look in other threads about tags. You will find it.
You need to actually read the answers. The method to do tag exclusion, is talked about in several threads. For someone nitpicking on a technical definition you sure act like a tech illiterate.