Kloofvreter
Honorary Master
No, a fair number of people are.
And while PDF is well supported, it's not normally used for submitting forms over the web. And PDF is a format, not an app - they're not just mandating the use of pdf, they're mandating the use of a specific piece of software, Adobe Reader.
I believe Adobe Reader is free to download, and there is a link on the eFiling website. What's so terrible about having to use it? Most people have it installed anyway. And I believe the problem here is an incorrectly installed package?
EDIT: It'd rather say FAULTY INSTALLATION, just in case I made this sound like user stupidity, which it is not