The race for president is one of thousands.
Why is it possible for Libertarians to get 45% of the vote in statewide races but 1% or less in national? Because people are convinced that they have no other option but to slow the headlong rush toward socialism by voting for the lesser of two evils.
However, whether reached quickly or slowly the destination remains the same.
I won't disagree with you that the LP has some weirdos which unfortunately draws negative attention. I and others are working to change that. I think the media likes to focus on them because it's humorous and makes great headlines.