WTF is going on with all these empty Antpool blocks?

Some hefty fees being left on the table. 👀

#m=image%2Fjpeg&dim=1079x1185&blurhash=%7BG7_1%7Doys%5EWDtPozISWAMwWBt3WoRjaet8t7N%2Co%23ReWAa%25WUohjd%25QWBkZWYoIoKRioIxLogxdjcR%25WBbEj%3DW6jcM%5EWCogkBf9ayI-oMkSj%5DRkWVs%3BoLxajuV%5Bayofj%5BWBWUVuaxn-jaaeaekBbF&x=844d203eb7a066cec6a52e6edd5dc45f7f29d611eb5223e2531c5d7880048fdd