Get a life, people
Yeah, there are always a few out there - those who cannot recognise the achievements of others. Much easier to devalue, degrade and denigrate, presumably to feel better about their own dull lives?
How many of us had ever heard of Henshaw before this? Chalkies achievement is a celebration of the original feat.
For better (or for worse, as some will say) there are sure to be more attempts on this record, so then you can all knock the next guy and give Chalkie a break.