*Is that you Hopeless Hancock? I know plenty people who have checked in to almost empty places, not been in contact of less than 2 meters and have been pinged to self isolate. I also know if people who didn't leave their houses for weeks be pinged to sled isolate. And many other combinations of various app fuck ups. Not my responsibility to inform anyone that the app doesn't work given I don't have the app, most level headed people know it's a shambles with glitches, faults and problems and the government doesn't care if it works well or not as king as they can bang on that it's there. Maybe you are Dido Do FA Harding not Hopeless Hancock. Either way there's good reason why a LOT of NHS staff don't have it and have in fact been instructed not to have it as well as police and other public sector staff.
I'm quite happy without it and sceptical enough to know it is not particularly helpful in dealing with the pandemic*
Not Dido Harding nor Matt Hancock. I am NHS staff though, and do have the app with contact tracing switched off. I've checked into various venues since last summer, some busy, some not. I haven't been pinged to self isolate at all, and neither has anyone I know who uses the app to check in.
You're absolutely certain that all the people you know who have been pinged have contact tracing switched off? And they have checked in the app when the date of exposure was, and found it to be a date they used the venue check in?
Alternatively If they had contact tracing switched on, as the self isolation notification doesn't tell you where you were exposed, are they sure it was from the half empty place and not somewhere else they had been?
And if you're suggesting Dido Harding has something to do with the app, she doesn't. She's in charge of NHS Test and Trace, but that has nothing to do with the app. It's an NHS designed app.