Maybe not right away, but once a few of them get term limited by the voters and/or lose their power positions they'll come around.
In the mean time, the issue is a useful stick to hit them with as needed.
How will that happen? Latest polls show that 60% of voters will either forget about Trump immediately after the election or will support him briefly, then walk away.
Trump isn't leading a movement; he's leading a popularity cult. When the popularity is gone, so are the cultists.