Is it worth bouldering?

Amusing short on bouldering by Stuart Heritage in yesterday's Guardian. While I'm not sure all boulderers are lean — they either seem to be extremely willowy or extremely beefy — the comment about how the shoes should feel made me laugh: it's a standard topic of conversation, especially with people who are just starting out who can't quite believe that, yes, the shoes really are supposed to be so tight that you can't wear them for more than 15 minutes at a stretch...