AV weekend

[zenga]

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Blizzard had the blue post saying they didn't like how the addon worked.
And were changing their API, specifically what can and cannot be accomplished with an addon.
And that minor patch they did, broke the addon.

Maybe Blizzard's stance has changed.
But as of early Burning Crusade, a blue posted if you can do it entirely with an in-game macro or an addon (nothing external to the game), it is fine to use without repercussion; when we don't like what you can do with an addon, we will change the API to break it.
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But it is part of an addon... which Blizzard has complete control over what can and cannot be done via in-game addons, not a third party software such as the G15's profiler.
Because the addon is doing this, you're not going to get banned for automation.

If Blizzard decided to not allow an addon to initiate /Follow, or to Strobe the /Follow command...
They would change their addon API, so an addon is unable to perform that functionality.
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Exactly the same deal with Preform AV Enabler.
The addon is allowing a functionality.
Something that Blizzard can break, if they want to break.
It is not a third party, out of game, tool that people are using to "bot" with, or "automate" the timing of their queue for this game.
The addon uses Blizzard approved addon API, and nothing else.
Evidently a blue (or several blues/whatever) do not like this addon, which is warning that at some point it might be broken should Blizz decide its worth the time to do so.

As of now, it is expressly allowed because that functionality exists within the addon API; I'm not claiming it is something Blizzard is happy about, nor that it will always work... but it does now.
And as long as you can do it with their Addon API, they're not going to ban you.

First off, as said earlier, I don't expect anyone to get banned for using preform AV enabler. But that's not the point.
The principle you refer to (if it's possible with the API it's fine) is the general rule of thumb. But there are quite some examples where this is simply not true.

e.g.

- a simple addon could let you do all emotes at the same time
- there are quite some possibilities to aoe dc people while using a specific addon
- it's possible (within the current API) to have multiple people on interrupt duty, all hitting their interrupt button, though only one player his spell will be on cd provided all these people have the addon

If you are into hardcore raiding, you might have noticed quite some bugs on bosses. And it's a very thin line to know when it's a bug or when it's intended, and even more when you are exploiting.
The same is true for the duped epic games/tgc mounts recently. They have banned people who just bought these in massive amounts cause it was clearly not legit, while for most they just removed the item without a gold refund (i.e. you bought something over a trade window, and you end up geting punished for that).

And so on ...

The point is that there is always common sense needed, and that they reserve themselves the right to act. No blizzard won't ban you for using AV enabler because it's so wide spread, but they removed the ability to queue up with raids and this addon circumvents this, which is clearly unintended behavior.