I'm not a super Obama fan, but I will say that it would have made Obama's second term better as he would have been more responsive to his base. Trump has continued or intensified many Obama policies, which were in turn inherited from the Bush administration.
On the other side of the coin, imagine a Trump in his second term. If he seems to be acting against his base now, wait until he is free of electoral pressure.
On the other side of the coin, imagine a Trump in his second term. If he seems to be acting against his base now, wait until he is free of electoral pressure.
EDIT: While he is acting against some elements of his base (e.g. the tax bill), Trump is making at least some evangelicals who can live with his public persona very happy: https://www.nytimes.com/2018/02/24/opinion/sunday/donald-tru...