If you are an individual that may work for you.
Run for office, become a commentator, or run a business and try not having any social media accounts. This is where the people are. It’s the town square and people need it to get their message out and compete. This isn’t the 1800s where we are placing classified ads in the newspapers. But we understand what you’re saying and we are people are transitioning to other platforms.
Also if nobody has a youtube account then how is anyone going to post anything new for you to watch without logging in. Most people don’t know about the other sites yet. It’s going to be a long process.
Inertia. I’ve been touting Torba’s Gab for years, but people seem to be content to remain on Twitter and complain.