[Tagging] Waterway direction

[Nathan Edgars II]

On Wed, Sep 1, 2010 at 1:45 AM, Pierre-Alain Dorange <pdorange at mac.com> wrote:
> Nathan Edgars II <neroute2 at gmail.com>
> wrote:
>
>> > A bug... there is few maps (even commercial) that "render" the flow
>> > direction. I dont see this issue as a bug but perhaps a missing feature
>> > or a request feature.
>>
>> It's a bug given the current tagging standard. All the eyeballs in the
>> world can't find an error if they don't see the error.
>
> Mapnik is a bug detector or a map ?
> For bugs in data there is other tools that the main OSM map, its purpuse
> is for end user, not mapper.

Are you saying waterway direction is not important for the end user?
If so, then why do we assign such importance to it that we require
that the way be drawn in that direction?