Several things need to happen now.
4] What done is done. Time to clean it up. FFS, Cricket used to be the game of gentlemen, not coruppt backhanders.
5] Does anyone think that the advent of 20/20 has made this all a bit more available for corruption? Let's stick with Test Cricket and 50 Over games.
Cricket has always had corruption problems, even hundreds of years ago, and while T20 may have increased the number of opportunities for fixing it was happening well and truly before then (and now) in county and international tests/ODIs.