MPAA's actions can be attributed to its members. MPAA cannot exist and act without its members' approval. Witness how BSA initially supported SOPA, but then backtracked, probably because some of its members weren't too happy about it.
Their sole job is to make money
When freedoms are attacked because some fatso feels those pesky pirates are affecting his bottom line, then "making money" is not an excuse.And governments should be careful as they are walking a very thin line. A French revolution can always happen again.