Beaun
It's pronounced Bone
I guess it comes down to how much better is it really. Is it better enough that you can justify what you do and criticize someone else? Apparently so, but somewhere I'd like to see a little less self righteousness when people have worked hard to keep these fish sometimes for many years.
The mortality rate for fish in this hobby is appalling, the money we spend we won't even admit to ourselves, the energy we waste is no consideration and yet people can still get on their high horse as champions for the very fish they imprison themselves. I'm just amused by the whole discussion.
First, it's not about criticizing anyone else, it is about putting out good, sound advice to people looking at buying tangs.
Second, the mortality rate is so high because people are putting fish in unsuitable situations. Putting a tang in an appropriate sized tank ensures that it will live longer and another wont be purchased to replace it.
Honestly, your entire point seems like a convenient way to move away from the topic at hand. These tank sizes are not just pulled out of a hat, they are thoughtfully considered by top tier hobbyists, aquarists and professionals; people who have way more experience and knowledge then most do.