No forum for game feedback - this is website feedback?

”Share your thoughts on the Hearthstone websites, features you’d like to see, bugs that drive you crazy, or any other suggestions on how we can do better on the web.”

The above is the description for this forum. This part of the forum is - as specified by Blizzard - for how to improve the Hearthstone WEBSITE itself, not the game.

Sooo…
…Where are we supposed to suggest feedback for the game itself?

I wanted to submit feedback regarding more Tooltips in Mercenaries to make it more intuitive for new players - like myself - as currently the mode is heavily relying on web-searching, and relying on outside information - which is far from intuitive to find or look up.

Blizzard Customer Support constantly redirects us players
to the forum - from tickets - telling us to share feedback
on the forum - but exactly where are we supposed to post this,
with no part of the forum designated for that?

Edit: I guess the “Singleplayer” forum is one where I can submit the stuff about Merc’s but what about all other feedback?
This forum is not the one for it lol

2nd edit;

Want to add, Blizz, Customer Support constantly tells us to put feedback or other stuff on the forum - instead of accepting it directly when prompted when talking with customer support - so if you really want us to post game-related feedback, please make it clear what parts of the forum we are intended to do this on.

This can easily be done by just editing the forum sub-section descriptions (en/hearthstone), but preferrably it would be helpful for everyone involved, both devs looking for it - as well as us players reporting it - to have a dedicated sub-section of the forum for this.
ESPECIALLY considering the frequency and intensity that Blizzard CS keeps hammering this point in, that we are supposed to post feedback on “this forum”, while not specifying where.