These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
His appearance on the Graham Norton Show in 2012 with Liam Neeson in which he spoke of his love for Beavis & Butthead and half-jokingly suggested a live-action version starring the two. Though now He has made us all want to see that. Dammit.
Crowning Moment of Heartwarming: This video, in which a Trek fan proposes to his girlfriend at Chicago Comic Con right in front of Sir Patrick, whose reaction must be seen to be believed. What a class act that man is!
Memetic Mutation: When the Internet started going mainstream and became more accessible, most of the people who began to access it would now be in their 20's or 30's. Those people grew up watching Stewart saving the galaxy as Picard. As such he has now become an icon online with the 'Picard Song' and several demotivational posters of him either showing his approval or disapproval (he's the standard choice of picture for the Face Palm). Knowyourmeme.com put it best when they said:
"Because Picard is an infallible source of truth, justice and reason invoking him to prove a point immediately grants credence to your opinion."
Values Dissonance: Why he shrugs off the notion of TV as "slumming". British actors don't generally think that way, as ably described by "Furious D" here.
D: For a British actor, there's no such thing as slumming above amateur porn, there's only working.