It’s vendor lockin. Office file formats are not properly open. There is a “temporary” closed bit that they promised to open to get through ISO, but then never did. The whole ISO thing was a massive exercise in corruption. Let alone the fact the reference implementation is closed. Shame Groklaw isn’t as easy to search and link now.

Yes and no. No need to hot swap massive EV batteries. Rapid is fast enough. But yes so the EV can be upgraded. The batteries go obsolete quicker than they degrade. So make it so we can swap the batteries and keep the rest running. In fact, just right-to-repair the whole car. In fact, the whole everything!