[Tagging] Is landuse=winter_sports a ‘de facto’ tag for ski areas?

[Stefan Tauner]

On Sun, 7 Feb 2021 11:29:23 +0100 (CET)
Mateusz Konieczny via Tagging <tagging at openstreetmap.org> wrote:

> >
> > No, the ways themselves should not overlap. One area might be enclosed
> > by another one. The better word than overlap would have been intersect.
> > Just like with outers of MPs.
> >  
> This is also a valid tagging.
> 
> Forest and military area may partially overlap.
> 
> Industrial and military area may overlap
> (industrial area for factory and port, that is partially also military base
> that includes non-port area)
> 
> landuse=forest and landuse=military
> https://www.openstreetmap.org/#map=15/54.5543/16.6671
> 
> landuse=construction may have wild overlaps with nearly everything,
> without being fully inside
> 
> Long landuse=flowerbed may be both in landuse=retail and landuse=residential
> 
> etc

"areas partly overlapping other areas should be avoided" says the wiki.
All examples you gave are simple errors in either the tagging schemes
or the application thereof and very clearly show how broken some of the
landuse value are.

-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner