It's no fun if you don't enjoy confrontation but interrupting the interrupters a few times will eventually send the message you won't tolerate that kind of behavior. They will eventually learn it's not tolerated or accepted.
One of my old bosses would just say "Hang on, hang on..." over and over until the steamroller figured out they weren't going to be able to speak endlessly and they'd stop talking. Then he would reintroduce the subject and if they again tried to take over this boss would literally say "We've heard what you had to say, but XYZ wanted the say something as well". More than just stopping the disruptive behavior you have to acknowledge it and make it clear something else will happen now.
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One of my old bosses would just say "Hang on, hang on..." over and over until the steamroller figured out they weren't going to be able to speak endlessly and they'd stop talking
This is what people need to learn how to do. And I think this is the biggest issue I have with WFH is that it puts people in a position where they don't have to develop the skills necessary to resolve conflict. They can just leave a call or ignore an email.
I had a conflict with one manager while working remotely at one job and rather than even address the issue with me, she just removed me from the team Slack channel. I sent a very apologetic and peacemaking message, which she proceeded to ignore. Although I don't work there anymore, we do live in the same city. So if I do see her and she tries to pull a fake smile, I hope she's ready to address that immediately.
However you feel about interpersonal communication, I think I speak for everyone when I say: I don't want to be part of any organization where people can rise up to positions of leadership or decision-making without having any capacity or tolerance for conflict.
One of my old bosses would just say "Hang on, hang on..." over and over until the steamroller figured out they weren't going to be able to speak endlessly and they'd stop talking. Then he would reintroduce the subject and if they again tried to take over this boss would literally say "We've heard what you had to say, but XYZ wanted the say something as well". More than just stopping the disruptive behavior you have to acknowledge it and make it clear something else will happen now.