While people may not visit this
section often, the "Official Spotting
Thread" has been visited over 30,000 times, so... I don't think it is pointless... and yes, people do check to see if they've been spotted.
Official Spottings Thread [All Regions] Part 2
Also, I don't think that a "spotted" section would work on other car forums. Since there are so few Lotuses out there, a spotting thread makes more sense here.
.