IME beer in spoons is as variable as anywhere else. E.g. I remember being terribly excited to hear that the new spoons opening in Horley would be smoke free. After six months barely able to contain my excitement The Jack Fairman opened, after 3 visits I gave up and put up with the smoke elsewhere for that last year or so before it was banned. In the years from then to leaving Horley I went to the Jack maybe 3 more times and the beer was rank every time. Friends who still live in Horley say it is just as bad to this day. That is the stand out worst by a mile.
At the other end of the scale the cellar keeper at the Herbert Wells in Woking is a god of his craft.
35% of the visits to The Rodboro Buildings in Guildford will see a pint sent back but there's always enough alternatives.
Mostly though in a spoons I find a good selection1 2 and it's perfectly decent beer.
I've turned around and walked out of pubs many times in my life upon finding only electrically delivered generic beer. I've never walked out of a spoons. If you want a guaranteed shit selection of shit beer go to an O'Neill's
1 I have to mention at the point the Sovereigns also in Woking. 8 hand pull pumps and always well kept yet it's always such a disappointing place to visit. There will be Doom, Harveys, and Pride on plus four others indistinguishable from those three.
2 I also have to mention the 3 Horseshoes at Irons Bottom. 8 hand pulls again of which 4 never changed, Tanglefoot, Doom, Harveys and I can't recall the 4th. Of the other pumps minimum 3 would be on serving my absolute favourite beer - one I've not seen before. Lots of lovely lights in the summer and darks in the winter. Terrific pub that one.
W= around 20 at a guess.