These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Alternate Character Interpretation: House Cannith: The world’s best war profiteers or a bunch of raving lunatic scientists doing what they do to just to push SCIENCE forward. (Since Cannith is split into three rival factions, it's quite possible for them to be both and more.)
The setting was designed to be ambiguous in regards to major events as well as factions and people, so that DMs could choose their own interpretation.
Ho Yay: Yaoi Genrefans might enjoy the fact that the kalashtar are described as having a strong preference for the company of members of the same quori lineage, and do not commonly form long-term relationships or marriages with members of other lineages. Since each lineage consists of only one gender...
Purity Sue: Queen Aurala subverts this. She is beautiful, good and devoted to her people... and busy plotting world domination.
They Just Didn't Care: Dungeons & Dragons Online and D&D: Dragonshard have a pretty tenuous connection to anything tabletop. Gameplay wise, this is usually done to better suit D&D to electronic formats. Story wise... well... Considering Eberron has no Meta Plot, it's likely they knew the story would be non-canon in the first place.