Does this sentence imply or not?

Dod, we might need some conterxt

The first implication is a paradox.

The second implication makes more sense.

In the nineteenth century there was an aesthetic trend called castle romanticism in which castles--which were utilitarian and mundane structures--were rebuilt or renovated to make them more aesthetically pleasing. Palaces were built along these lines and were called "castles."

Castles went from looking like this:

to looking like this: