I wouldn't be too sure that Rishi wanted to raise taxes, his issue was cutting taxes and increasing spending. Johnson - because he's a fat, spineless idiot who stands for nothing - wanted to do both.
You might find that Rishi's preference was to cut taxes and spending, which is what should have happened. They are Conservatives, after all.
True but they have been doing a good job of hiding it. Of course you are correct about the slug.