I've seen many an art project that eventually stops being updated and is used to serve up malware -- sometimes with a bonus expired or nonexistent cert.

It should never be a requirement to enable JS to download a binary file like a PDF.

If you're concerned about scraping, put in a robots dot txt and/or give it to an entity like Internet Archive to host.

All nice and good, but Bill Gates decided he wants to have some fancy visual effects there. If you visit it with a JavaScript enabled graphicla browser (I haven't checked accisibility etc.) or read through some discussions here you will notice that functionality or such isn't purpose of the site. So yeah, for a company which wants to do business or something it isn't right, but that some retired dude doing something fun to him (of course he didn't implement it, but asked some agency)