Personally, I don't think it really works either as a brand. A meeting is not that complicated that you need a "copilot". A stenographer is not a "copilot". This only worked with the hubris and obnoxiousness of tech people who think they are doing more than they are.
Normal people in the workforce know their boring job that this is trying to help automate isn't that complicated or exciting. The analogy with aviation couldn't make less sense for most jobs when trying to automate the boring aspects.
This subthread was about the legal implications of a trademark. For that it doesn’t matter whether the word choice is successful as a brand.