"Ousting" libertarians just because they are anarchists is completely unacceptable. Here are some comments I've recently posted on the PlatCom list:
A libertarian is somebody whose highest political value is to minimize the role and incidence of force initiation in society. Anarcholibertarians are libertarians. Communists and socialists and totalitarians are not libertarians.
There are many kinds of libertarians (see lists here or here). The LP should welcome all of them who are trying to unite voters who want more personal liberty and more economic liberty behind the electoral choices that will most effectively move public policy in a libertarian direction.
The LP would be crippled, and nearly lobotomized, if we lost all of our members who question whether America needs a state monopoly on any service (even justice and defense). The important thing is to keep anarchists from hijacking the LP into being a vehicle dedicated to promoting anarchism. Instead, the LP should unite voters who want more personal liberty and more economic liberty behind the electoral choices that will most effectively move public policy in a libertarian direction. The platform's job is to describe our shared libertarian principles that define what a "libertarian direction" is.
P.S. As for "Statists Lite", it's simply addled to suggest a correlation between 1) thinking that there is at least one kind of aggression (e.g. pollution) that the U.S. government should do more to oppose and 2) wanting to "purge" anarchists from the LP.