To be clear, there's a logic behind this: the experts are looking at similarities between figurative art in Europe and Asia and hypothesizing a common ancestor rather than coincidence.
Thats a fun theory, but how is that different than all the pyramids found around the word. I mean, it's sort of is the "easiest" big structure one can build.
Surely the paintings that survived for 44,000 years aren't the only ones that were painted that early. There's no particular reason that art couldn't be older -- much older, even -- but not be able to survive for much longer than that.