I don't need insurance. But this type of conversation reminds me of people who excited about receiving a "Tax Refund". Sorry; but if you're receiving a tax refund, then I don't EVER want to talk to you about finances. A tax refund means you don't know anything about finances.
As for optics. I have many different optics, for different weapons and guns. For me, I put optics/sights into 2 categories. Magnified (Typical scopes with 3x up to whatever and usually larger than a 30-40mm lens. Then there's the non-magnified. I put both red-dots and iron sights into this category. This category is much less critical. Some say it isn't, but I will disagree with them. whether it's holo or red-dot or iron, it is all basically open sights. I don't need the quality of glass for 100-150 yards. And that's exactly what open sights "including holo and red-dots" are designed for. You don't hunt 300 yards away with a red-dot. Just like you don't normally shoot inside 100 yards with a 4x scope.
And while I have $500+scopes like zeiss; I also have $50-$75 non-magnified sights that have done we well for many years. If you want to spend $500+ on an EoTech; have at it. For me, that's the biggest waste of money on the planet. But again; that's just me. All I ask of iron sights or other non-magnified optics is 1) That it physically stays on the rifle. It doesn't loosen up and possibly fall off. and 2) That once I sight it in, that it stays sighted in. Yes; I have run into some crap that isn't consistent. But i've also found some really good sights that don't cost $100 or more either. I don't base my decisions off of what others say. I use the experiences of others, and many other sources, and then I make a decision. sometimes it wasn't a good decision. But I refuse to simply pay $500 for an EoTech because it's "Cheap Insurance". No it's not. Some make claims like. "You should spend on optics, at least close to what you paid for the rifle". If that isn't the biggest crock of shiite I've ever heard. (Just my opinion). Again; I'm talking about non-magnification sights. Magnified scopes have a whole different list of issues that need to be considered.