I think all your intentions here are good, but I have a few thoughts...
The boxer in that post could have kept multiboxing on retail, he just didn't want to adapt to the removal of follow in BGs I assume. In march of 2013 they disabled follow in BGs. They explicitly said it was to thwart follow bots and that multiboxing is still allowed. Here is a video of multiboxing on retail in AV after /follow was removed using Interract-with-target combined with click-to-move.
https://www.youtube.com/watch?v=Ige2Q5hmGkc
Also, we have been hearing this legal 'for now' stuff for literally over a decade, and yet it's still allowed in all scenarios. Blizzard has always defended the allowing of multiboxing since day 1. I could mine quotes from long ago if you like. Here is the latest post from a Blizzard official that I could find from this year...
http://us.battle.net/wow/en/forum/topic/18300113639#15
That's a pretty solid defense for Multboxing, the use keyboard multiplexing being legal and not being considered automation, and a rejection of the 'blizzard only allows it because you pay for each account' canard. I could pull up older blizz quotes that span over a decade if you want but I think we're all tired of seeing them over and over, year after year.
Well, let's look at some history to see why he isn't:
In March of 2013, "Ghostcrawler", the Lead Systems Designer at blizzard announced that /follow in BGs and Arenas were being disabled to stop follow bots. Later, they added /follow back in arena for multiboxers and blind players since bots weren't such a problem there. But, he also used the word 'tolerated' for the first time with reference to multiboxing. This really was a nerve-wracking month to be Multiboxer because we didn't know what to expect in the future. We were used to always having a rock-solid defense from Blizz. What *did* happen was that 8 months later, Nov. 2013, Ghostcrawler was gone from blizzard and I have never heard 'tolerated' again since. Only solid defense of multiboxing like in the link I showed above, just like the old days.
So let's look at the description of this topic:
One precaution, no /follow in BGs, was made to stop bots. Blizzard specifically said that the effect it had on Multiboxers and blind players was an unfortunate side effect. Apart from that, multiboxers have had *zero* limitations directed at them that I can find or know of. The term 'merely tolerated' was used by a former employee and I haven't seen it used again in the last two years after he was fired, only explicit defenses like the link above.
I wouldn't call it a lie but it is a bit loaded and over-stated.