[That made sense, even if she didn't quite understand a lot of what went on here. How fortunate that she'd run into Kairi!]

She must be very busy if she has that many shinki helping.

[Marinette couldn't even imagine what Lady Bishamon's life must be like if she had need for so many helpers.]

I feel like they're not more popular so much as more commonplace? When you think of weapons, a sword is usually one of the first things that springs to mind.