>Because the people creating the standards (i.e. Google)
Google doesn't create standards. They are one of the major stakeholders, but they don't have the final say.
>That's the whole issue here.
No. The issue is that Google built a browser that is better than anything now, and was better than anything out there for the past decade and got themselves into a dominant position. They haven't yet abused that position - contrary to a lot of the posts in this thread - but people are nervous. I can respect that viewpoint because it is something to worry about.