If you can make an argument that supports entrepreneurship without overt hostility to the basis of commerce and capitalism, there's no reason it wouldn't be well-received by people who are actually interested in thinking about these issues and not just repeating what the talking heads say. And there are plenty of conservatives who are that way.
The best way is to show them the inconsistencies in the corporatist party line. It's pretty easy with telco and ISPs. Conservatives typically don't believe government force should be exerted as a shortcut or to favor or disfavor specific enterprises, so why is it fair to give the ISPs free rein when, in many cases, their monopoly is legally enshrined in the municipal code? And so forth.