I am also confused about why zoom is the de-facto conference tool now. I have been working remotely for 6 years and haven't really noticed it being significantly better than other tools like Lifesize or Bluejeans. Also, the inability to draw on the presenter's screen is a big negative in my opinion. Trying to pair lately over Zoom always ends in a bunch of stammering like "erase that dot over there.. no... over there... no, up left..."