In other words, all AGI researchers are already well aware of this problem and take precautions according to their best understanding?

s/all/most/ - you will never get them all. But yes, that's an accurate statement. Friendliness is taught in artificial intelligence classes at university, and gets mention in most recent AI books I've seen. Pull up the AGI conference proceedings and search for "friendly" or "safe" - you'll find a couple of invited talks and presented papers each year. Many project roadmaps include significant human oversight of the developing AGI, and/or boxing mechanisms, for the purpose of ensuring friendliness proactive response.