You might be able to call it broken, but if it isn't affecting tourney results, whether it's because players are too honorable to abuse it, or because it isn't all that good, or because players adapt around it, it has absolutely no basis for a ban.
I think you might not understand the magnitude and impact of bans - tourney directors do not simply throw them around to re-balance a game. It's a hell of a lot more complicated than that.
I'd like to see if I can set something straight. In this thread, are you attempting to:
1. Get chain grabs and infinites banned
or 2. Inform/convince people that chain grabs and infinites shouldn't be in the game
If your goal is #2, then fine, you're doing a great job and nobody should have anything against someone voicing their own opinion on a discussion forum.
However, if you're even touching on #1... I fear that you're making a fool of yourself. Repeating the same discussions that have taken place in countless threads like this is going to have zero influence on the ruleset. If you actually want them banned, give up on this thread and go message tourney directors to try to get something done, in the rare case that this issue hasn't been overtalked in their circles.
First, I haven't been addresssing CGs, because they end at some point and can be escaped. But whatever, that's not important.
My point in the thread is exactly what the title says. I want to know why people allow infinites to be in tournaments, especially the theoretical justifications behind why they are good for competitive play.
So far, the point I'll agree with is that it hasn't happened enough yet to make a big difference, which I'll concede. I still think, though, that theoretically they should be banned.
This isn't a plea to tournament directors. This is an argument for why I think infinites should be banned, that's all. Do I think I will change nationwide rules? No, but then again I never meant to/that's not my point.
Hope that clears it up.
Edit: I also think that the countless threads you're addressing mostly go "INFINITES ARE UNFAIR WAAAH." I haven't been a victim of an infinite more than 30% yet, so I'm not whining. I'm also trying to justify WHY I think they're bad.
A Sparknotes to my argument:
Infinites allow someone to kill another character without the other player being able to react, which makes it kind of a one-player game and is against the spirit of actual competition.
Dunno why people thought I was ranting about them being easy, but I guess my OP wasn't a fun read =P.
I also dunno how the whole 'don't get grabbed' thing caught on. My position was always that 'don't get grabbed' doesn't address whether the infinite is bad or not, but rather just tells people to avoid it. Good practical advice, but I think it skirts the issue.