For many design reasons like reliability, flexibility and performance reasons.
And because ordering them by year/month is one of the most senseless ways to sort them. One should remember when the upload took place to find the photo….???
The …/wp-content/uploads/wppa/ folder is internal to the wppa system that you should leave alone and not touch ‘manually’. This folder just cntains the photo versions used for display purposes, optionally downsized, compressed and stripped from redundant data.
Photos are organized in albums, described in database tables. If you want to access the original photos, look in …/wp-content/uploads/wppa-source.
