That sound you hear is the dropping of a very loud clanger

Sometimes it seems that advertising is an idea that escaped from Narnia. Agency says this. Advertiser does that.
Knowing how many failed or wannabe rockers live in agencies, I'll bet Swiftcover's idea to include Iggy Pop in its ads came from their agency MWO. In my limited experience of these things, the insistence upon a particular celeb appearing in an ad usually comes from the client if that celeb happens to be a hot(ish) babe.

The daft idea must have been passed by Swiftcover with half of their collective brain switched off. Hence the rather strained concept of Iggy Pop being chosen "as the face of its advertising because he loves life, not because he is a musician". This was the sorry excuse emerging from that insurance company as it gets hammered for not offering cover to musicians. When I see Iggy I do not think "here's a man who loves life". No, my first thought is "fucked up and possibly deranged rocker who seems reasonably happy".

A rock star in an ad for a service that excludes musicians?

Deliciously stupid.