Literally anyone can claim that they are Satoshi Nakamoto since there are no clues to dispute their claims such as the nationality, facial features, or even what blood type Satoshi Nakamoto is they can't really ignore this claimants.
That's not how the burden of proof works. If you make a claim like "I am Satoshi", the onus is on
you to provide evidence to prove your claim. No one else is obligated to provide evidence to disprove your claim. I can't just go around saying to people "Prove I'm not Satoshi", just like I can't say to people "Prove I'm not Jesus".
Yes, literally anyone can
claim they are Satoshi, but if, like CSW, they are not going to provide a single shred of legitimate evidence to support that claim, then they should all be rightly ignored.