I’m not sure when this began. I just noticed that when you invite people to events with Google calendar, it automatically creates a link to a Google video conference using Google Meet. That default is great if you always want to use Google video conferencing. I have been using Jitsi and I realized that events got emailed to people with links to both types of video conferencing. So I Googled “how to change Google Meet event settings” and here is what I found:
When you’re in your Google calendar first click the little gear icon highlighted in the image. That will open up the settings shown next and you can uncheck the box shown in the screenshot.