For participants already involved, HMRC's failure to say things to them (given HMRC's awareness ...)
But then one also has to remember that HMRC's view was based on the wrong reasons. They tried to argue that the loans were income. That was obviously wrong ...
However, this left a problem. They should have targeted the employers ...
Furthermore, if HMRC always knew that the schemes did not work, then what excuse do they have for not ...
As is universally accepted, HMRC have not exactly covered themselves in glory. In every other instance of tax avoidance, that means that the avoider gets away with it. Harsh but true.
But I do wonder if there is appetite and the facility for a proper 2-3 hr face-to-face debate that would allow more common ground to develop.