The article title is incorrect. The real "disgruntled Tories" continued to offer candidates under the "Progressive Conservative" banner. The Tories were conservatives, misguided, but at least they had a heart.Disgruntled Tories consider refounding Reform Party
The Conservative party of Harper et al., is the reworked Reform Party with elements of the old Tory hard-right.
This new party, a refounding of the Reform party, would thus be disaffected members of the Conservative party - but they do not in any way merit the moniker "Tories".