I am sure I have seen this before on HN, but I thought there was a good amount of criticism regarding Angular.js and making customized HTML tags. I am sure it

I am sure I have seen this before on HN, but I thought there was a good amount of criticism regarding Angular.js and making customized HTML tags. I am sure it is not a new invention in Brick, but is this so different? (I do not know what I am talking about; please feel free to correct if I am wrong). Negativity aside, thanks to Mozilla for more cool code. You guys support stuff all over the place web-wise, and whether or not I use it, I appreciate the hell out of your efforts.