Currently there are differences between code bases. If the OpenOffice team wants to abandon OO codebase and distribute a version of LibreOffice with some splash screen and text resource changes, then they're free to do so, it's open source.
I can see that the codebases have diverged, but will a lot be lost if Open Office's codebase was clobbered with the LibreOffice sources?
Both sides have strong beliefs, but the licensing situation benefits the copyleft faction.
I have not seen blame from LibreOffice developers and I do not understand what is being said in the AOO discussion.
Instead, the Apache OpenOpenOffice people took advantage of the openoffice.org domain. They should have put on openoffice.org that the old OOo has been forked into AOO, LibreOffice and NeoOffice. However, what they did is not mention at all that LibreOffice is one of the options out of the defunct OpenOffice.org.
Why not bury the hatchet, devs?