You fail to distinguish the difference between ideas and elective politics. I agree that the LP is liikely to go nowhere, but it does appear that libertarian ideas are gaining, such as the ones the author listed.
If you try, you will be able to tell the difference. Try.
Libertarian's want people to believe that American individualism and our love for freedom and liberty was founded on contemporary libertarian principle, or equally created by the Libertraian Platform. That's simply not true and to mislead people and distort the truth, in such a manner, is wrong. Period!
There has been a conservaive movement in this country since the 1950`s. Modern conservatism was placed into politics and presented to the American electorate, starting in the 1960`s. Subsequently, conservatism took hold in America, with the election of Ronald Reagan as President, in 1980. It isn't what the LP platfrom, or the libertarian philosophy may have in common with conservatism, that bothers most conservatives. It's where the differences exist and those specific differences are numerous. I highlighted just a few of the most important political and philisophical differences, that conservatism has with libertarianism.