The goal is to refuse to let Conservatives leave that kind of spin uncontested.

Everything the comment accused Corbyn of doing leading to "you people will never win in the real world" was done by BoJo, and it didn't stop him winning in the real world.

you should always ask the question. what was it that made it so difficult to elect someone like Corbyn, yet so easy to elect someone like Johnson?

That's the actual interesting question here.

Mostly seems to be that British press is entirely opinionated tabloids who choose to "find out" that a scandal happened a year later based on whether they like the guy it happened to or not.

Some of the stuff you listed happened after Johnson won (or came to light after his victory), and before he resigned in disgrace, so doesn’t particularly serve the point you are making.

he wrote Seventy Two Virgins (the book having a character who loved money, had a hocked nose and jewish name) in 2004. he continuously wrote racist, sexist and homophobic comments in his articles since.

It was all out in the public domain.

It was the media's jobs to ignore this and pretend the main issue was one case where Corbyn liked a photo on facebook that he later claimed he hadn't paid enough attention to and apologised for (Johnson has never apologised or been called on to apologise)

I haven’t looked into this question before, but it’s fascinating to compare the second-hand characterizations of what Johnson has apologized for with his direct quotes: https://www.independent.co.uk/news/uk/politics/boris-johnson...