Earlier quoted context omitted.
Their PDF replacement is far from good - buggy and unusable. We have to show PDF documents to our customers directly in browser, so we need good UX, and it was disappointing to see how it works in FF compared to other browsers with Reader and how much effort do we need to fix it. I'm not surprised they screwed up with Java too.
It's disappointing that comments like the parent are getting downvoted here. Objective, factual observations should be encouraged, not censored. The Reader "replacement" PDF viewer in Firefox is limited and buggy compared to the real thing. We also found it literally unusable for our purposes when it launched, and we routinely disable it on new installations where we still use Firefox at all (which is basically only…
I have avoided Reader for years by using Safari, and later Chrome, which each have their own built in PDF renderers. I'm glad that Firefox has caught up, it's one of the things that has kept me from using Firefox. I read a lot of PDFs, and loading the big, slow, clunky Reader plugin, or downloading the PDF, is a non-starter.