No, she was being honest about admiring his work. There was no sarcasm in her tone as she said those words to him. However, he had every right to be defensive, since she was known for saying things a little too impulsively. She didn't necessarily mean any harm by them just as she didn't mean any harm by saying that he worked really hard for the Greenhouse. She honestly thought it looked great with his work and everything.

Ah, but even that takes a lot of work in itself. She is fairly unfamiliar with these foreign buildings, thus she found rather exciting. She probably never really mentioned to Sephiroth how her world lacked a lot of technology among many things. Then again, it wasn't really important on her list.

"I see, so perhaps it will need replacements again in the future as well?" she mused glancing over at it and then back to Sephiroth, "That sounds wonderful. It's rather nice to see everyone working so hard to put this place back together, even after all the discomforts," she replied softly, and smiling almost a but sadly at that thought.