I mention this only because I see that @Ralf is already ont…

Yes, I like a lot using this technique. I have a lot of NFTs minicollections in one html.
It helps to create compressed art instead of just using one image per ordinal.
Moreover, it gives the opportunity to show wrapped images in an html code.
For me it is a cost efficient an elegant way to create a collection of several Ordinals in one.
It reduces fees to mint NFTs.
And it changes the concept of how to safe space on the Blockchain.
Imagine to create short books or articles in 3D Ordinals.