Offer a comparable alternative, then. I spend half my day on meetings either internally or with clients, and every time I have to jump on a client meeting with Microsoft Teams/Google Hangouts/WebEx/GotoMeeting because their company bans Zoom, it's a recipe for a fruitless meeting. Someone will fumble the sharing controls; screens will take forever to present; at least one person's microphone will become inaudible, st…
Webex is so shockingly bad. Zoom, Teams, Slack, all seem to work fairly well, all have clients (and can run in the browser) Webex - which I have to use as part of a university course I'm doing on the side - requires you to run it in a browser on my OS, it has really awful options (like allowing the presenter to unmute people), half the claimed features just aren't available (virtual whiteboard, no major loss as every…
You don't need to run it in browser at all, there are desktop (and phone) clients for every major OS out there. This shows that you are really not familiar with it.
Now it is still a crappy system, but for different reasons than you describe. And other solutions have their own problems, as indicated by article and elsewhere.