The entry now of Kevin O'Leary in the Federal Conservatives leadership contest will be a testament to the weakness of the current field of candidates. However, for the list of reasons listed by many who have given serious thought to the matter, whatever support he now has would probably implode quickly during the course of the leadership contest should he enter.

He simply is not cut out to be the leader of a major Canadian Federal Party despite his notoriety, strong support from a narrow segment of the potential Conservative Party support base and media skills and he relishes, rather than trying to overcome, those aspects of his personality and skillset that make him unsuitable.
.
He should save himself the embarrassment of being near the back of the pack when this race concludes.