The government was reckless to assume that they could lean on blind loyalty to push the bill through without all of the scaffolding around it, the Timms review, the co-production, any decent pr to sell the policy to members and their constituents.
This has completely blown up in their face, it's demonstrated weakness that can be explored by the backbenchers and it will save no money, in fact - now it will cost more.
You'd think losing double digit polling intentions after only a year in office - a feat not managed since the 90s under Major - would be rock bottom but this is going to be brutal. And we'll all be paying for this shambles in the next budget.