I hate modern MSOffice's UI, plus it's full of slow, heavy webtech which deducts a lot of points from basically anything for me. Google's leaks memory (like most of their software... so do Gmail tabs) and is so slow that it introduces a ton of input latency, which drives me nuts, I hate to type in it, aside from my experience with most of its formatting and editing features being that they're very janky even by the standards of GUI word processors. Both are very heavy on resources, which means they have a huge hurdle to overcome on the feature side before I'd consider them anything but extremely-unpleasant.
Old (like... '00s) MSOffice is pretty good because it's not such a resource hog, and the UI used to be really good.