These people, who are especially panicked, we also have in our new development area. The amount of security technology invested there... well, if you need it, then just do it.
Oh yes, I am for conventional switches on the windows ;) Additionally, an automation that covers 90% of the cases (whether KNX, Homematic, wired or wireless, ....). The remaining 10% of situations are usually those where you are more likely to be standing in front of the window than at a central location like a living room door. And then get my phone and tap around on some app.. no thanks.