BIP 110: "It actually increases rather than reduces legal and regulatory risks.
By attempting to filter "bad" data it actually invites more regulatory pressure - if government authorities believe that Bitcoin can be changed by pressuring a few entities, they will almost certainly try to do so. Neutrality protects the network - selective censorship doesn't." Jameson Lopp. Imho the most important point raised by critics of BIP 110. 

Cypherpunk Cogitations
A Layman's Guide to BIP-110
An explanation of why BIP-110 is reckless and doomed to fail.

