Not too long ago I would have agreed with you. That was, for a long time a decent way to enjoy Twitter, even when people were already long claiming it was an unpleasant place.
But for the current situation you are just misrepresenting the problem.
Aggressively maintaining a decent follow list no longer helps.
And "other viewpoints" are not the problem. Every somewhat popular tweet has automated replies full of porn bots and clearly automated answers that say basically nothing or just try to provoke or advertise.
"Following" has become infuriatingly useless too because it algorithmically sorts in nonsensical ways.
The result: many tweets I would have liked to see get completely buried while others get shown to me over and over as I visit the site.
I'm so incredibly tired of algorithmic timelines.
It used to be a good tool on interesting updates on hobbies I enjoy. Now it just wants to waste my time, and I'm just not interested in screaming matches about daily politics.
That includes echo chambers too so it is not about differing opinions even, I don't need people from "my side" telling me again and again what the "enemy" is doing wrong and how I am supposed get angry at that.