one last: why the emphasis on compressing the files in the cloud?
is this more than a matter of available space?
Nope, more serious. I want to protect you from data loss. You may find damaged logic projects, which can't be repaired. You can read many posts on this topic here in this forum.
Here is a official apple support document:
Overview of sharing in Logic Pro
"(...) By default, Logic Pro saves projects as a special kind of file called a package,
which non-Apple formatted hard drives and Internet services do not
support. To insure that your project opens properly on another computer,
you need to compress the Logic Pro project package before copying or
uploading. (...)"