I got off LibreOffice myself to OnlyOffice. Docx support wasnt that impressive.

One thing I wanted to ask to you since you seem very experienced with LibreOffice is how much effort and money is spent on ODT and other formats. Why not simply use and improve docx like we do with pdf?

Second, Is Libreoffice's goal is to be MS Office's OSS clone? If not why? MS Office is quite good and the potential office apps users are mostly non-programmers.

I know PDF is by adobe and Docx is by microsoft.