I'm not posting this because any of the images in question were deleted yet, but because this is something I've noticed which I think is unfair to regular users, in regards to Twitter and Pixiv posts:
I've noticed that if a lower quality post from Twitter is uploaded while the higher quality post from Pixiv is on the site, the lower quality post will likely be unapproved and deleted. But sometimes the Pixiv version is uploaded after the Twitter version and stays active, while the Twitter version is unapproved and deleted, even though it was uploaded before.
Yesterday, I uploaded post #3148095, which was posted on Twitter last week. It is still pending. Today, someone with unlimited uploads posted post #3149309, which is the Pixiv version that was uploaded today. When I uploaded post #3148095, the image was on Twitter for several days while the Pixiv version wasn't up yet, and I had no idea that when or if it was going to be uploaded on Pixiv.
I'm not saying this simply because it's a post that I uploaded, as I've noticed this in the case of other users as well.
For example, post #3146249 (Twitter version) was uploaded a few days ago, and less than 10 minutes later, post #3146261 (Pixiv version) was uploaded by someone with unlimited uploads. post #3146261 is active, but post #3146249 is still pending despite being uploaded first.
Sometimes, an artist posts an image on Twitter, but doesn't post it on Pixiv. Sometimes, an artist posts an image on Twitter, and then posts it on Pixiv a few hours, a few days, or a few weeks later. Sometimes, an artist posts an image on both sites at the same time.
The problem with artists that post on both Twitter and Pixiv is that sometimes it's impossible to know how far apart in time they will upload the same image on Twitter and Pixiv, or whether they will upload the same picture on both sites at all.
I think it's unfair for people to get their posts unapproved and deleted, simply because they uploaded the Twitter version on this site, without knowing at what time the artist would upload the image on Pixiv.
Therefore, I would like to know if it's fine to appeal Twitter versions that were unapproved and deleted while the Pixiv version was uploaded after and is active.