English Wikipedia user blocking

From annawiki

Some notes about English Wikipedia user blocking.

At http://en.wikipedia.org/wiki/Main_Page it says:

Welcome to Wikipedia, the free encyclopedia that anyone can edit.

Despite of this, some user accounts get blocked. So, is the claim on the home page a false claim due to the blocks? No. The blocks only apply to users (accounts), but "anyone" may refer to something different.

The first blocks are from 2006. Some statistics showing 2006:

IP blocking

17:36, 17 May 2011 Mjroots (talk | contribs) blocked
(talk) (anon. only, account creation blocked) with an expiry time of
48 hours ‎ (Abusing multiple accounts: Suspected sock of banned user
Tobias Conradi)

IP is from Hong Kong: