Why is my wayspot(pokestop) not accepted?

[elijustrying]

Just for clarity here:
Reviewers are asked if a nomination is at an appropriate place

It is not appropriate @agueau to refer to reviewers who correctly answer this as “Niantic police”
This is clarified further

Private Residences, Farmland & K-12

Single-family private residential properties (SFPRP), farms, and K-12 (schools or facilities primarily focused for persons under 18 years of age) are ineligible. This includes the outer facing facade, fence of these locations, and property boundaries. Objects in or upon apartment blocks, gated communities, or their shared spaces may be eligible assuming they otherwise meet criteria and are intended to be accessed by a community, even if not everyone. Communal spaces have the potential to be eli…

To ignore these guidelines would be to assess wrongly and if you do that repeatedly and ignore advice to improve you could find yourself subject to sanctions.