I'm sorry, but there was a substantial difference between pace bowling in the 80s and in the 2000s, very few would argue with that. Can you name one pace bowler in the current decade in the class of Marshall, Imran, or Hadlee that Hayden had to face? And it doesn't help that he generally struggled against the few quality express quicks he played against, such as Shoaib, the Ashes 2005 bowlers, and Steyn & co.
Ambrose, Wasim, Waqar, Donald...?
And did the 80s have spinners in the class of Murali/Warne/Kumble/Saqlain? I think not.
We've already been through this 100 times and compared team for team. The difference between the attacks nowadays and then are not that much different.
In those days you had 1 great bowler surrounded by average bowlers.
Australia better this era
England better this era
India better this era
Sri Lanka better this era
South Africa didn't even exist then
Pakistan better then - although in the early 2000s it was still a very good attack
WIndies better then
New Zealand roughly even
And then there is this matter that Hayden is 6 points stronger in average. Hayden's career average rarely went under 40, Greenidge's rarely went above it.
Gordan was a great opener, no doubt and he had a wonderful partnership with Haynes. But I just don't buy that he had it that much harder to explain the difference in records.