It seems like a kind of a paradox that online video games are held accountable for servers that they have nothing to do with, but meanwhile a browser can be truly open and doesn’t have to employ any restrictions like age verification, or banning ips? Not even China goes after the browser level.
You need to use minecrafts game files to access minecraft servers.
There are hundreds of browsers available, and since the standard is open it’s easy to create a new one.