does anyone else on here think that astrology is a valid subject?
Not really, because it doesn't seem plausible that an astral body's position in space-time would likely effect one's life uniquely. But I'll not go so far as to emphatically say it isn't true. Mainly because the longer I've lived life the more things that I took as absolutes have not held up under scrutiny from perspectives different than the one I assumed.
There is a considerable amount of material on astrology. Way more than I care to sift through. And since I'm unwilling to fully investigate the subject I can't validate it, nor can I legitimate invalidate it. I have peeked at the material though and found some things that bothered me. One there are several schools of thought that give different meaning to same astrological event. And two I didn't find any statistical validation that proved an astrological event corresponded to a certain personality attribute.
Another perspective (other than materialistic humanistic determinism)can be used when thinking about astrology, and that is the belief that astral bodies are only physical manifestation of spiritual beings. In this theory the beings operate in more of a quantum metaphysical way. These beings live outside our time-space boundary and so are not limited as we are. Since the beings are supposed to be sentient it is possible that they could take interest in certain people at certain times dependent upon some cycle. That cycle may even correspond to astrological cycles.