One would have to compete with the existing parties, which in e.g. the US is basically hopeless. There are countries where smaller parties have more of a chance, but even there it’s a huge amount of work, and LW types are generally not the kind who would enjoy or excel at politics. Also LW users have a variety of political positions rather than having any unified ideology.
If one does want to have political influence, supporting or joining an existing party lets you leverage their existing resources while allowing you to specialize in the politics-things that you are good at, without needing to recreate everything from scratch.
One would have to compete with the existing parties, which in e.g. the US is basically hopeless. There are countries where smaller parties have more of a chance, but even there it’s a huge amount of work, and LW types are generally not the kind who would enjoy or excel at politics. Also LW users have a variety of political positions rather than having any unified ideology.
If one does want to have political influence, supporting or joining an existing party lets you leverage their existing resources while allowing you to specialize in the politics-things that you are good at, without needing to recreate everything from scratch.