> I've used Linux on my work laptop/PC/whatever for the best part of two decades now, yet LibreOffice, like OpenOffice before it, is still shite.
I've used Linux (and BSD Unix before it, and AT&T Unix before that, and Bell Labs Unix before) for rather more than two decades now, and Open Office was already superior to MS Office when it first arrived; Libre Office is in turn substantially better. (We routinely had to use OpenOffice to repair Word documents that couldn't be read by Word, for example.)
> I suspect the issue is it's based on Java.
No, not all that much now.
> it was started by Sun
no, not right either.