First - be suspicious of any list where the rankings are set by someone in the category.
Second - the context of any rankings needs to be clearly defined (e.g. Best WR of the last 4 years, Best WR coming into 2023, most dangerous WR in any one game, etc.)
Third - any list by one person is subjective and likely to be skewed by ego, friendships, selective memory, etc.)
Fourth - any Rams fan for the last 3 years knows Cooper Kupp is a unicorn. There is no other receiver like him because of his hands, YAC, route running, effort. Stat wise He’s had a top 1 or 2 all time WR season and 3 decent seasons marred by injury or poor QB play. So until he has another couple gteat seasons there will be those that undervalue him.
So the question should be if you had a chance ato pick any WR in the NFL - who would you pick first? Second? Third? Fourth? Fifth?