Especially contentious were his comments on why share prices always move ahead of official announcements - he didn't directly accuse his hosts of facilitating insider dealing, but the implication was clear.
Most warmed to their guest, but one unhappy punter said building trust into the PR-media relationship was a two-way street. 'I had your Insight team following my children to school. What have you got to say about that?' he said.
Lewis side-stepped this, explaining that Insight is a special unit within the paper and he is unconnected to it. Well, that's alright then.
At the other IPR event of the week - the careers day at the Commonwealth Institute - student PROs were rather taken by Resonate director Graham Drew's talk on how to get started in PR. Despite exaggerating the tale of launching his own agency (it is part of the Chime group and headed by his former boss at Shine) at the age of 29, when he asked for questions, one delegate was heard to mutter: 'What are you doing later?' before turning to her friends and exclaiming loud enough for a good portion of the hall to hear: 'He's fucking gorgeous!'