I don't expect to see anything, that's the point. That causes bias in your thinking. The evidence I have seen fulfils the criteria for war crimes, as I pointed out in my bullet-point list above. I accept that there can be excuses for these actions, but only when there is sufficient evidence to prove the extraordinary case. Now, we have seen the evidence that Israel has done these things, but we haven't seen the evidence that there are extraordinary factors. Occam's Razor requires that the explanation for an effect should contain as few agents as possible when considering the unknown causes. Adding in a tunnel network, or a Hamas base where there is no evidence for one is in violation of Occam's Razor. The simple explanation is that Israel is being indiscriminate in its attacks. As supporting factors, Israel has attacked indiscriminately and illegally in the past, and Israel has lied to the international media and community in the past.
When people ask me about my expertise I get excited that I get to talk about it. If someone were to refuse to believe me I would find it funny.
The tunnels are not well documented enough for, say, a map of them, are they? We don't know if there is a tunnel under x or y building that has been flattened. So that's not sufficient evidence.
Like I said, I think they're funny.