So, all miners see how fast them pools or solo eth's reward downed every day. I am checked all (pools, solomining farms) eth's statistic and saw that for 14 days (19.04.2021 (28220 eth) - 02.05.2021 (16719 eth)) eth's reward on 40% downed, but total eth's blocks still the same 6400!!!
Screen with all pools, soloming farms statistic https://ibb.co/xhp62r9