The doors of heaven are always open, but there's a difference in those who walk in and those who don't. As Vivekanthi said, as always, it depends on what we want. Krishna is saying that I am exactly the same to everybody. The difference does not lie in me or my attitude to anybody. He should be considered as a sado-sado (good person) just because he loves God. We'll see next verse why he makes this claim for the power of devotion.
Description : Swami Sarvapriyananda teaches Chapter 9 Verses 29-31 of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).