I guess it's down to knowing our hearers and knowing our motives for what we say, but i reckon it's easy to say that we can sometimes preach solid truths in order to tickle ears and tick the boxes of what makes a good sermon in our reformed/evangelical circles.
Why do we say a sermon was good?
- Because the preacher said the right things? Ticked all our boxes?
- Or because we find ourselves moved from one degree of glory to the next as we see & know Christ more and more through hearing with faith?
Our sermons aren't exams in which we have to get all the boxes ticked; rather we preach Gospel truths in order for the Spirit to work in lives that are deepeninng in Him.