Why exactly are Google Tasks, Email and several others wanting to scan my network for devices? What's the "official" benefit of this? Is my email program wanting a deep relationship with my coffee maker?
Some potential reasons for apps asking the permission - https://www.howtogeek.com/692528/why-iphone-apps-ask-for-dev...
E.g. I have Philips Hue lights, the bridge's MAC clearly identifies it to be from Philips Lighting: https://maclookup.app/search/result?mac=00:17:88
No surprise, just more of what they always do --- mind your business.
Posted using a de-Googled Moto G4 Play running e/OS.