Can't one easily ignore, block, and end up in an echo chamber?
Discussion
Yes but that eliminates a majority of the safe space phenomenon: being able to petititon a central nanny for cancellation.
One can only control their own experience; they cannot compel the experience of others.
You might find certain language or content unacceptable but the only way you're going to silence those who deal in it are to obtain extroardinary societal consensus.
That's how it should be.