And in the gun-control debate, we have in fact had ample time and opportunity to control for other factors. And it is extremely important to note that try as we might, we have found no other causal factors that apply to the situation. Yet even so, as X (per-capita gun ownership and frequency of carry) has gone up, Y (violent crime of all sorts) has continued to go down. Therefore: X does not cause Y. Q.E.D.
And yet crime in other Western Countries (ones without guns) has gone down similar amounts, so either increased guns in America causes lower crime in other countries (unlikely) or there are other factors that you have not controlled for. By Occams Razor the latter is much more likely.
No, there really is not a lot of evidence that Yeshua ben Youssif existed. There's a single paragraph in Josephus that everyone agrees was faked, and that's it for contemporary mentions. Peter and Paul existed, but we just have their say-so for it, and not even original texts for that; the earliest surviving documents were recorded centuries after the events.
Joe Sixpack saying he's an atheist doesn't mean Jesus didn't exist. The lack of evidence means he didn't exist.
[citation needed]
It seems that the majority of historians disagree with you: Historicity of Jesus
Accurate or repeatable? You've never used one of these systems have you?
And you've never used one of these systems where you need to collect accurate date (such as this one would). It also has to be more durable then your hobby plane, and possibly fly a lot longer whilst carrying heavier equipment to use for wildlife monitoring (HD cameras, backup radios, radar, etc (depending on what exactly it was doing).
"The one charm of marriage is that it makes a life of deception a neccessity." - Oscar Wilde