@marcowhy do you think JS is handled the same on the web vs on PDFs? On the web, as @OldSchoolGuy tried to say before getting confusing is that on web pages, any user can choose to block JS via extensions, be it for security, privacy and/or performan...
I'd second that request. While I'm not exactly familiar with what functionality is connected to this feature in other clients, I think it's definitely worth considering. Within both companies and other larger groups of people still organizing things ...