Alright, I did some counting across all batches since April 1st. It's a total of 397 images excluding irregular uploads (except one I'm to lazy to remove from the dataset now).
There was a total of 69 Vtuber images, of which 63 were hololive; thats 17% and 16% of all uploads, respectively. Touhou had less than half of that at 33 matches (8%). The third most popular was Love Live! with a total of 25 (6%), 8 of which were Nijigasaki Academy School Idol Club, 7 Hasunosora Jogakuin School Idol Club and 5 Superstar!!. No batch went without any of these three.
After that, we got Zenless Zone Zero (23), then Gundam (22, split evenly 12/12 between GQuuuuuuX and The Witch from Mercury with minor overlap) followed by BanG Dream! (19).
After that, it's a mere 18 Originals.
Trailing, we've got 17 gay Voice Synthesizer (15 VOCALOID and 9 UTAU, i.e. significant overlap here due to Miku x Teto), Bocchi The Rock! tied with Honkai: Star Rail and Pokémon at 9 each, Blue Archive tied with Genshin Impact at 7 each, Sekai Project at 6, RWBY at 5, and Dungeon Meshi unexpectedly only at 4, tied with FFⅦ. Noteworthy, there's only one Fire Emblem image, and it's not Edeleth. Everything else was at 3 or less uploads. There also have been no funamusea-related uploads since 2022-01-18.
Overall, I count 66 Gacha images, not counting Idolmaster, (2 Arknights, 7 Blue Archive, 7 Genshin, 3 NIKKE, 3 Heaven Burns Red, 9 Star Rail, 3 KanColle, 1 Limbus Company, 6 Project Sekai, 2 Reverse: 1999, and 23 Zenless Zone Zero) which also is about 16%. If we count TCGs due to similar rarity mechanics as well, Yu-Gi-Oh! (2) and WiXoss (1) make this satisfyingly match the VTubers at also 69 images, nice.
So about a sixth of each batch is dedicated to talking heads and another sixth to gambling.
I'm tempted to also make a pairing breakdown but oh well people are already going to complain about the length of this comment, aren't they?