Oracle crashes on Windows shutdown

Just curious if any of you have ever had a problem with Oracle coming back up 
after a "crash" forced by a normal Windows shutdown (i.e. no disk or other 
hardware problems - just a reboot)?
 
I know there are various registry settings to determine if Oracle shuts down, 
how it shuts down (normal/immediate/abort), and how long Windows should wait.  
And I know that Oracle Support's canned response on the subject is:
 
"If the entry's are not set, stopping an service will do WORSE then an shutdown 
abort. Windows NT / 2000 will just "clean" the memory. This could be compared 
by a kill -9 on unix. This is likely to make any cold backup useless. "
 
And the Oracle Admin doc says:
 
"If ORA_SHUTDOWN or ORA_SID_SHUTDOWN is set to false, then shutting down 
OracleServiceSID will still shut down Oracle9i database. But it will be an 
abnormal shutdown, and Oracle Corporation does not recommend it."
 
But, has anyone ever actually seen it cause a problem in real life?  I've seen 
Windows shutdowns force thousands of Oracle crashes over the years and not once 
have I seen it cause any trouble for Oracle on startup - other than a little 
crash recovery of course.
 
Thanks,
Brandon

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