Very good demonstration of the meaning of SNAFU.
Global account is blocked on meta, nl.wikipedia, and nl.wikimedia. The nl.wiki latter block is an extension of the block of an apparent sock, Wegwezen, which translates as "Road works," see Roadcreature as the prior WP account.
Guido did edit en.wikiversity for a time. One of his last edits there:
*{{done}}: Abd's probationary custiondianship is indefinitely extended with Draicone as mentor. --[[User:SB_Johnny|<font color="green">'''SB_Johnny'''</font>]] <sup>[[User_talk:SB_Johnny|<font color="green">talk</font>]]</sup> 23:46, 20 September 2011 (UTC)
:Then I, for one, will remain retired indefinitely, and support a proposal to close Wikiversity. Best, [[User:Guido den Broeder|Guido den Broeder]] 00:19, 21 September 2011 (UTC)
Wikiversity had this fantastic system of probationary administrators, supervised. It did need tweaking -- mentors might be AWOL, and a probationer went rogue (long after I was removed, because Ottava Rima and SB_Johnny.) I went to meta and got the privilege removed. Yes, I was a regular user who could do stuff like that, I knew how the system worked and what stewards would do (and not do). It drove certain muggles crazy, and Guido was one of those.
I was very active on Wikiversity, at that time, and was always promoting and protecting community consensus. He didn't like something. It looks like Guido got into trouble almost everywhere. Not knowing how to read and respect community consensus will do that.
If that nl.wiki block was a discussed ban, he might be eligible under the pretty-much-dead global community ban rules, for a global community ban. That would not create an event ban, though. Only office actions supposedly do that.
Now, who the fuck cares?