The OP acknowledges an agnostic basis of posting. There are other websites about the paralells, that were posted about the Horus story, regardless if any of it is accurate.
Jesus' and Horus' life events, etc.
The gospels are often alleged to originate from some vanished document, called, "Q," which was ancient. The Gospel of Mark is often regarded the closest to the actual source material.
So if there are abundant "divinity" stories around the Mesopotamian region, and there is also this "Q" document, then it does make some sense to wonder if the allegations of coincidence have an authentic basis.
Going further, however, the stories and mental puzzles that are ascribed to Jesus also have to be found to have been duplicated. I myself take Matthew 25::14-30, and put it against the backdrop of Matthew 20::1-16, and come up with an economic policy model, which follows.
The arithmetic of 1 A.D. had no decimal point. The Computing in the Matthew 25 story, however: Still tends to fit the Pythagorean Theorem, which was then of a religion, foreign to conquered Israel. The religion was Greek, the Phythagoreans. In the arithmetic, the household in the Parable of the Talents was only enriched 7 talents--which is close to the Pythagorean expectation, though it should have been enriched 8 talents. The "Pay Raise," enrichment computing was a fixed percentage. The rich get richer, and the poor get poorer, even in the story. The next dismissable servant is the next one up the ladder, as it were. There is an example, in the story, of what happens in a full-scale, economic collapse--a long time ago,
We have, in recent current events: The same story. The rich houses lent the money. The poor couldn't repay the loans. The whole thing came tumbling on down. The unemployment rate went up, and many have been cast out.
Matthew 20 offers an equal-amount raise method, regardless if the laborers were hired at various times of the day. "The Last Shall be First, and First, Last," is an arithmetic statement of equality. The rich still stay rich, but the poor get more also. "Give us This Day, Our Daily Bread," is kind of like a Cost-of-Living-Adjustment. The COLA is of an equal amount computing.
In the United States, COLA's tend to be fixed percentage computed: Up and down the income scale. The equality solution is actually: Even a deficit reduction model.
At the trial before the Elders, Jesus ranted on, and even set himself up as an idol in Heaven. So if he had possibly been introducing parallels with the Egyptian deity story, in with the Greek Pythagorean story, and then compared himself to Ceasar in Rome to boot: Then something has to be said, for that.
This may have been an Ecumenical kind of guy, but he really, badly needed a lawyer! The Ministry was to include the poor in spirit.
More About Q, The Sayings, and just possibly some enlightenment about the appeal of the story of Jesus, at the time.
http://www.religioustolerance.org/gosp_q.htm
"Crow, James Crow: Shaken, Not Stirred!"
(Grandfather once had a vision of a hook-in-her, but back alleys are more heavily into residential cartons, now. We have evolved, as a species!)