Only moderately.
Exactly what is wrong with radical change in, let’s say... the tax structure? Only an IRS agent, CPA, or liberal could fault radical restructure of THAT.
A radical change which doubles taxes for most people is a losing proposition for any candidate to run on. That's what's wrong with it. There is an election coming up in 2012 and I'd like to keep Obama from winning it. Raising the taxes on most people isn't going to accomplish that.