for example, this note which prompted my post:

https://njump.me/nevent1qqswjwdjp92gy0rfkucjsrmrtps53jp5e4ayr0v8nfpn2clt2wpk39gncha9s

has these reactions (there's more but this should be enough):

https://njump.me/nevent1qqs8j4zhvmp46dtqlxn4snxxa4774lzz5se4p2u5a74vtnk2eq8n4dqjtnwgz

https://njump.me/nevent1qqsr5jpk47lvyjhje7kpeczah4x58qnyllm6ldp8zkcwa8c8lenk3cgl94esl

https://njump.me/nevent1qqs09mv2s0euawuavwuh90t8m3un3h5ep0r6fsevgpuz5l43t28cc6qxuxsnd

I noticed this behaviour since forever btw, not a new thing..