Ronald D Moore had the idea that TNG Klingons took their responsibility as governors seriously, so maybe like you say, they provide a hands-off style of government to their conquered worlds, and maybe they have also become more well-governed after Gorkon.
Anyway, here some more art for interest, looking at the surface life of Qo'noS. I like to post these just just because they give a feel of what some areas of life on the Klingon homeworld might be like. I think Into Darkness actually did a good job with the Klingons.
Abandoned 23rd century industrial zone from Into Darkness:
Concept art of the same location:
A 24th century residential area from TNG:
Bonus art from the video game Klingon Academy:
Bonus art from the travel guide cover:
Anyway, here some more art for interest, looking at the surface life of Qo'noS. I like to post these just just because they give a feel of what some areas of life on the Klingon homeworld might be like. I think Into Darkness actually did a good job with the Klingons.
Abandoned 23rd century industrial zone from Into Darkness:


Concept art of the same location:


A 24th century residential area from TNG:

Bonus art from the video game Klingon Academy:


Bonus art from the travel guide cover:

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