[Pessimist]

“it’s too good to be true.”

Not really. As he mentioned, the creek changes its course, dso it’s not like there was running water on it all the time.

Hey, flint, buried in mud...

Why not?

[verum ago]

They're just feeling inadequate, that's all.


"Don't act like you're not impressed"

And you're completely right- it probably wasn't being tumbled continuous for 15k years. And it's not like nothing else (including fossils softer than stone) has ever been recovered intact from a stream bed before.

All that said, I'd still let experts decide after looking at it in person...