The comments follow a rash of interviews with tabloid newspapers and celebrity magazines in which Andre branded his wife's behaviour since the couple split in May as ‘disgusting'.
Andre initially won public support for refusing to get embroiled in the details of the split from Katie Price, a.k.a Jordan. His recent interviews with the Sun and Heat magazine have coincided with the launch of his latest single this week.
Former News of the World associate editor and senior consultant at PHA Media Phil Taylor said: ‘I don't think it's the right move. The public were on his side when he wasn't attacking Jordan and he should have continued to keep a dignified silence.'
He added: ‘Peter was seen as Mr Nice Guy but there is a danger he will lose public support if he gets involved in mudslinging.'
EdenCancan co-founder Nick Ede said: ‘Saturday's interview in the Sun has changed reader sympathy for him. It smacks of desperation. All of his rants and raves are just a cynical ploy to sell the new single. He will still sell the single if he avoids getting involved.'
Taylor Herring PR managing partner Peter Mountstevens also added: 'With Jordan taking a new boyfriend so soon after the split and flaunting the relationship within the media and Peter's team clearly made a judgment call that they could carry the public with them on this issue and could afford to break their silence. The challenge for Andre now is to maintain the moral high ground by refraining from making any further comments while placing the emphasis firmly on his music and the future while the media and public's thirst for insights into his marriage is unlikely to abate.'
Andre is represented by his long-term publicist Clare Powell at Can Associates. Powell could not be reached for comment at the time of publication.