That's right, under angelic direction, Philip sought out this man in need of spiritual assistance and brought him up to speed on The Truth as it was known in its limited scope for that time.
Under angelic direction? I don't recall the Bible saying that. I thought it said that Philip was being directed by the Holy Spirit. Of course, your statement makes sense in light of what the WTS use to teach when it taught that Jehovah was sending His angels to Judge Rutherford in the early days after Russell died. Yeah, maybe that's it.
Thankfully, they were humble enough to accept truth according to the Scriptures and adapt their mindset.
During my six years of studying with the witnesses I realized that they expected me to critically examine my beliefs against the evidence while refusing to do likewise. Which one is more humble?