I do wonder if 3 years ago the same posts on winter tyres ever appeared on the forum. I wonder if 3 years ago winter tyres were available in the UK? After two or three winters with more than average snow, everyone in going crazy for winter tyres.
If you are in a queue of cars waiting to get up an incline and there are cars up front who care little about what rubber they have on their car you will be stuck. Because with them blocking the road you are going no where, you could be in a snowmobile, you are going no where. That said, if I lived up north I may well keep a set of winter tyres in the garage to fit when the white stuff is forecast, but that is a maybe.
The assertion by some that there is no compromise can only be based on guess work, really. That said I may well have agreed a few years ago, not knowing any better. After I got fed up with the P Zero's on the 159 I switched to Uniroyal Rainsport 2's (sorry if you have read this before, but it is worth saying). The reason I went for these tyres was cost, they are little more than budget tyres when bought from the likes of Camskill. When you read the reports on their wet grip, here: Uniroyal Rainsport 2 | the Uniroyal Rainsport 2 reviewed and rated | the online tyre guide
you get an added bonus. Face it we have more wet weather in the UK to contend with than snow. However the added bonus I found with these is the grip on ice and snow.
Are they as good as a snow tyre? No of course not. Are they as good as a genuine 'summer' tyre, well again probably not. But driving on them now for three years, two winters, doing around 20K a year, I'd say they are a good compromise.
They easily handled conditions like this on untreated rural roads in France during two winters now: