It was a lower blow of a comment than Sephiroth usually cared to express for sure, but he could be brutally honest with his opinions sometimes. After all, Sephiroth too had that natural leaning towards delving into a subject he wished to know everything about and discovering Hollander's notes which had to have been purposefully placed for him to find in the makeshift lab below reactor 5 had only rekindled a thread of research that he'd otherwise exhausted his resources in. Shinra only had held so much in their archives, of that which he was authorized to read, that is.

It could be said that they were very much similar in that respect no matter how either of them might strive to disprove the theory.

"Tch-" Sephiroth clicked his tongue rather than catching his breath, but he was quick as ever to retort to Genesis' accusation.

"Esdham is a vitally strategic point with regards to the safety of the Aqures region. So it only begs to know more about the stronghold."