Yelp - not so popular (with its own users)?

On the one hand, you have to hand it to Yelp: they don't appear to be filtering many negative reviews about themselves (which goes against the frequently voiced allegation by some business owners that they filter positives unless you sign up)...

And here's the breakdown of those reviews...

Interesting to see that you only have to climb fractionally above a 2 star average to rate 3 stars overall. Mine a little deeper and you find that there are little flurries of 5 star reviews by loyal Yelpers, often along these lines...

All of which may explain why Yelp has yet to gain significant traction in the UK: maybe we Brits are just that bit more cynical?