This can be fixed.
Sorry for length, but I actually disagree that some people aren't made for D&D.
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The same can be said about bird watching, NASCAR attendance, and stamp collection. That doesn't mean each and every person wants to engage in those hobbies.
I snipped the rest of the post because, while good advice on how to set up a campaign/gaming group, it presupposes that the people actually want to engage in this time-consuming fringe activity. It's OK if friends have different interests.