Agree with comment above, quirky maybe, service sometimes seems a little slow, although living just outside London my standards are far from Hellenic in that sense!
Still, food always fine, simple fare but cooked very well, and Manousos always chatty (and liberal with Raki!). Being very stereotypically English, I don't like fuss or unctuous service, but here, it doesn't ever seem intrusive, rather just genuine friendliness.
Perhaps we all just have bad days. I certainly do.
Imagine that I'll head back there next year in any event, and thoroughly looking forward to it. Sorry to hear that you didn't enjoy your visit and hope that perhaps you'll give them another chance.