The key point is:
"Peking Man date[s] to 780,000 years ago, roughly 200,000 years earlier than usually thought, scientists say"Here is the Stephen Gould quote again:
"Moreover, 'fact' does not mean 'absolute certainty.' The final proof of logic and mathematics flow deductively from stated premises and achieve certainty because they are not about the empirical world. Evolutionists make no claim for perpetual truth, though creationists often do (and then attack us for a style of argument that they themselves favor). In science, 'fact' can only mean 'confirmed to such a degree that it would be perverse to withhold provisional assent."The first part is important, logic and mathematics achieve certainty - because they are not about the empirical world (they are self-contained, and purely in the realm of thought).
The second is my point - "Evolutionists make no claim for perpetual truth". What was true yesterday ("Peking man is 580,000 years old") is today a total lie (because he is now 780k years old). Any "fact" of science could be overturned tomorrow. There is no certainty, no foundation.
The third is the most ironic. Saying it is "perverse" to disagree. The literal meaning is "twisted". Merriam-Webster gives the first definition as "turned away from what is right or good" - a value statement. What is "good"? Apparently, agreeing with evolutionists is good, and disagreeing is evil.