I am a very neutral voice on this.
I am a very objective person, and hence only focus on results.
So, yes I accept that the rest of the world has caught up with China, and surpassed it.
The only issue is that language is a bitch, and highly subjective.
You said, "find it interesting how some people appear to simply not accept that other countries have caught up with China (and now surpassing them) in the WS discipline"
Now if this is a statement based solely on today's quality, there should be no doubt about it.
But, some people can also construe it as other countries overall WS program now being strong enough that CHN is in a long dust.
That isn't assured at all.
Definitely i go with SSJ. Nobody can deny it that Other countries are equal in strength in WS department even few are better than them . I am being neutral here. This is current situation. And also except Singapore Open SS won by 21 year old Sun yu(where most of the top players did not play), China did not win any other WS titles this year. It is unfair to say Chinese women players gone down. But it is very much neutral to say that other country players had reached top level already.