People should vote for a party and it's policies
Not for a man/woman
As for changing stance - how about net zero, HS2, no windfall tax on energy companies- then they did after all, the "dementia" tax, the 45p tax policy , non dom tax policy- another stolen policy of Labours, £10 fines for missed doctors appointments, 2019 manifesto the Tories promised no increases to any of the main taxes - the tax burden hit its highest level since 1948. etc etc