A Right wing government would stop mass immigration and not promote leftist social values as current UK government/establishment does. Far away from right wing, certainly not nationalist in any way.
also one of their most controversial bills would lead to "illegal" immigrants being sent to Rwanda
skewed American perspectives aside, I genuinely fail to see how anyone would interpret them as anything left of centre-right
And this is their prestige. At least the one-nation Tories can see through it, even though they were expelled in the 2019 putsch.