prevalence of "right" time zones without timegm()?

[Nico Williams]

On Thu, Jul 7, 2011 at 3:50 PM, Tom Yu <tlyu at mit.edu> wrote:
> Andrew Bartlett <abartlet at samba.org> writes:
>
>> This does really happen in the real world, and is a nightmare to track
>> down (I spent hours on it).  We (Samba Team) found it out via Heimdal,
>> and Fedora 13 or 14 (current as of 2010-09) systems in Seattle time zone
>> (while at a Microsoft interop :-)
>
> What are the business reasons for configuring a "right" time zone?
> And do the people who choose to do so fully recognize the risks
> involved?

My guess is that some scientists need this.