Why don't map good buildings from hand with JOSM?

I would delete these geometries. They really suck!

I hope amenity=bbq is only temporary: node/9797332305

Please don't write ALL UPPERCASE.

The shape of way/991636500 seems wrong to me.

Have you mapped the stream more from imagery or the USGS topographic map?

Please create multipolygons for the farmland.

Sorry for the typos:
Have you noticed how the angles between buildings are all slightly skewed?

Have you notice how the angles between buildings are are slightly skewed?

Dear Eman,
ain't this rather a osm.wiki/Tag%3Atraffic_calming%3Dbump ?

Please don't use a generic and meaningless changeset comment

osm.wiki/Good_changeset_comments

Please straighten your buildings by pressing "Q" on them.

What kind of "access" are you looking for? Besides the refining of a driveway the rationale must be something subtle.

Is this mostly an import from the National Hydrographic Database ?