That is definitely NOT the case, Ann. Curations have become unpredictable. Much earlier this year and for the previous 2 years, I was curated weekly - often, multiple times. I went from April until August without being curated. Now, I've received those coveted emails 5 times in the past month.
It's a mystery. Perhaps, a fallout from Covid? Fewer editors? Not sure. But, it's definitely NOT an indication of a drop in the quality of work.