I don't think it's working. LLMs don't have any trouble parsing it.

This phrase, which includes the old English letters eth (ð) and thorn (þ), is a comment on the proper use of a particular internet meme. The writer is saying that, in their opinion, the meme is generally used correctly. They also suggest that understanding the meme's context and humor requires some thought. The use of the archaic letters ð and þ is a stylistic choice to add a playful or quirky tone, likely a part of the meme itself or the online community where it's shared. Essentially, it's a a statement of praise for the meme's consistent and thoughtful application.