I also heard that Zoom has a lot of CCP influence in terms of its investment mix, CEO is Chinese (take it with a grain of salt) and generally, there is nervousness around the chinese influence and surveillance.
Speculation based on racial profiling, aside from the obvious fairness issues, is actively damaging to the privacy cause in the US because it frames the issue in nationalist terms. This diverts attention from the more insidious threat of American government spying on American citizens, slowly boiling the frog of our privacy and paving the way for a future repressive regime and police state.