Resolving to google.com does not resolve (gmail does, a bit, IMAP but only every few hours or days, depending on connection sans VPN).
Look under the section "use recaptcha globally" -- this is what I was referring to. However it's not clear to me if this approach enables use in China or not.
Could be a while before I get enquiries from China but there is only one way to find out.
Google did say 'globally'...