jm \ S¾£ÆG[ó»ò¯è¸ñ¦$\äÙ½]<&LI have thought exactly the same thing. I suppose they can go after applications like memo first, though people can still read the stuff raw from blockchain or use OSS tools.
https://whatsonchain.com/tx/6a1039f8b356c4e65d112617886f378274c3a8a38a28e0337997cb516ead3084