Why does the site censor PPH?

[SoFewMethods]

I am in Southeast Asia, and anytime the PPH is linked, it gives this

451 Unavailable for legal reasons

The site isn't blocked in my country so this is unusual

 

[unluckysadness]

You can easily find it through clear internet in PDF files

 

[EmptyBottle]

You can easily find it through clear internet in PDF files

eg: from Anna's archive (search it up :) )

I am in Southeast Asia, and anytime the PPH is linked, it gives this

451 Unavailable for legal reasons

The site isn't blocked in my country so this is unusual

Consider a VPN ^v^