Yes and those aren't exposed to advanced alien particle weapons. Smiley. And no.. Ammo loaded is always dangerous. They will not even let you smoke near them for a reason... As for "Heavy, fire-proof and/or blast-resistant walls" all of that are safety measures that takes up a lot of space... Base defense missions do not represent that... Ammo explosions were implemented on xcom3. On warehouse missions you could shoot aircraft ammo lying around and observe a nice explosion. If I were the aliens I would do my best to do maximum damage as I am preparing to attack a base. Aliens do not want to capture it. They want to destroy it!
Safety measures, including proper storage of ammunition, is not only assumed but also standard practice, exactly for such reasons that they don't chain-reaction blow-up or cause damage. This is very true and
fact in real life military and law enforcement. Before you argue against that, I need to clear up a few things: I've had two family members who had full-life military careers, including one who fought on the battlefront through two major wars and was also an engineer who designed a good deal of this stuff, I've seen some of this stuff up close and even the inside of armored vehicles up-close and firsthand, and in my own experience I was in a law enforcement job for about three years, my old job.
Point being, I know enough to know that a good deal of your wild and outlandish scenarios that you are detailing, especially about ammunition, are
not realistic, and sound like they came from a typical, run-of-the-mill war-themed cheesy action movie, far from reality.
I'm sorry for getting nasty, but every time you turn around and post another what-if mental depiction of how you think these things would work in the real world, you fall increasingly farther away from realism and get more and more
silly.I don't claim to be an expert in military gear, but I know enough that I really can't agree with you on a lot of your arguments.
Edit: Alright, I admit it: I'm cranky, I'm mad now, and I've flipped. - But I still find myself increasingly in disagreement with your points and so-called realism, and I'm irked about having to fight against increasingly silly arguments. I'm sorry, but there's still a lot of your points I still don't buy...