Against it - on principle. Hate the fact that sports these days are run to benefit people who's level of commitment to that sport is measured by the fact that they MIGHT consider switching over from Friends to watch it, if its convenient and dumb enough for them.
If I had my way, I'd dump 20/20, and limit ODIs to 10 per team, per year, apart from the WC every 4. I reckon people would then be more prepared to make an effort to catch tests, and FC cricket, if that was the top level cricket that was available. And they'd also make the effort to learn enough to enjoy it. This is like Jamie Oliver's school lunches thing - if you keep of offering kids fatty/sugary junk food rather than proper food, that's what they'll develop a taste for. If you take the time to introduce them to healthy ways to satisfy their hunger, and stop allowing them to be swamped by quick, cheap, nasty substitutes, they actually enjoy it, and become better off for it.