My form of protest: Don't support any 1v1 content. Don't watch it on Youtube, don't talk about it, don't share it, don't sub to those Youtubers. That's what I do to protest. 1v1s balancing ruined team games. This game doesn't need an esports scene, just balance it to keep it fresh instead of boring as it is now.
I hear you. The trouble is a vocal minority (usual competitive players) gets more attention.
This happens to the detriment of CoHs financial success and casuals leaving the game.
Hardcore 1vs1 players simply do not make RTS financially successful. In short, casual/average players make the RTS money.
CoH teamplay is far superior to Starcraft 2.
SC 2 devs have been pretty transparent in interviews about their mistakes to focus solely on 1vs1. The info is out there for those who do the research.
Personally, I enjoy 1vs1 tournaments but I also recognize it's kinda a dying dinosaur outside Starcraft.
Silver lining?
A wise man said; an error does not become a mistake until one refuse to correct it. With that in mind, perhaps there is still hope for CoH3.
StarCraft 2's Rollercoaster Decade, As Remembered By Its Developers;
https://www.usgamer.net/articles/starcraft-2-anniversary-interview-blizzard
The accepted wisdom is that MOBAs badly hurt the RTS competitive scene with their accessibility, team-based play, etc. Was there anything StarCraft 2 could have done to retain its initial momentum?
Ryan Schutter, Designer: Let me preface my answer to this by saying I was not a developer on StarCraft 2 at the time. I was just a player, modder, and fan in a totally different career so this is from my perspective outside of Blizzard and the StarCraft 2 team.
Besides the popularity of MOBAs, the rise of the free-to-play model came about at the same time. I think both had an impact on the perception of StarCraft 2 and its success at the time. But I think that was where the real harm was done, the perception, not the reality. I think StarCraft 2 remained fairly consistent overall, and that MOBAs actually really did a lot not just attracting RTS players, or existing players in general, but also bringing in new players who had not played too many competitive video games at all.
StarCraft 2 continued to chug along with a huge playerbase, and tons of support from Blizzard. As you mentioned, perhaps momentum was impacted, but I think StarCraft 2, and in particular the feeling of mechanical skill requirement hanging over its competitive multiplayer, and the mentality that hardcore 1v1 ladder was the "correct" way to play the game, was always going to have less broad appeal than something like a MOBA. The "ladder anxiety" people feel playing the game is very real as well, and I think playing a team game relieves a lot of that pressure regardless of whether it is a MOBA or something else.
I think if back then StarCraft 2 had something like its Co-op Missions mode that it has now, or perhaps something even more robust, it would have gone a long way to feel like a more welcoming and accessible game. I believe that could have had a real impact, but we'll never know for sure. At the end of the day I think if StarCraft 2 was not the game that it is, there would be a huge hole in competitive games in general. I think a competitive 1v1 game like StarCraft 2 has its own kind of players and following, and I am so proud of what the game is for that community.