To be fair, neither the Senju Clan nor the Uchiha Clan had done anything to wrong the Huiyue Clan over the years.
To put it bluntly, what was their status? They had founded all of Konoha. Their table manners were not so ugly that they would covet this little bit of power. It was not as though they lacked standing armed forces of their own—the Senju Clan had the Shadow Division, and the Uchiha Clan had the Police Force. Neither was inferior.
Besides, while Root could also be considered a standing force, it was ultimately an intelligence organization. Was it worth stirring up trouble among their own people over something so minor? It was not as though Root would stop providing intelligence for Konoha and for them if they did not seize control of it themselves.
Rather than controlling it themselves, whether the Senju Clan or the Uchiha Clan, they actually preferred to let a close allied force manage it. It had been the Huiyue Clan in the past, it was still the Huiyue Clan now, and in the future, it would most likely remain so.
Of course, ever since Kagetsu Qi had disappeared, the attitudes of those two clans had become less partial. Still, they were not cold either; things had merely returned to normal.
After all, they were prestigious clans of the ninja world. The Huiyue Clan did not even have a single elite jonin. Naturally, they could not remain as warmly inclined as they had been when Qi was still around. In fact, if not for Qi's past reputation, why would the two clans associate with a family that lacked any high-end combat power? Not to mention that, even under the current circumstances where the Huiyue Clan controlled Root, they had continued cooperating with all sides to