Why is that so many apps today require a MacBook with an M1 chip?

I face this situation so often today. I have a MacBook without an M1 chip, and many simple apps on the AppStore for some reason require it. As I see this, they don't have any specific use to it, the app is just built in a way that requires an M1 for some reason. Specifically, I came across the SkyVPN MacOS client and was unable to install it. It is obvious that some VPN apps don't need the M1 chip, for example, protonvpn, IVPN, Tunnelbear and others. Can someone more experienced tell me what is that reason developers require an M1 chip without a reason?