Do you genuinely not see that to all intents and purposes you are not a Freemason?
I don't because it is not true.
You are a breakaway group that call itself a similar name
Do you believe that Protestants are just a breakaway group who are not real Christians?
doesn’t have the same “advantages” that the conservative group does?
You seem to think unlawful and even criminal activities are "advantages". I don't think they are, and I would not want to be in an organisation whose purpose are those "advantages".
Can you honestly not see that esoteric/secret nature of the United grand lodge
Esoteric doesn't mean secret.
All Freemasonry is esoteric, not just the United Grand Lodge Of England. We are esoteric. Grand Lodge of Scotland is esoteric. All Masonic obediences and their lodges are esoteric.
... means there will be deals done, backhanders paid, crimes gone unpunished, because people are not all in it for self development.
First of all, you need to look up the word 'esoteric'. It doesn't mean what you think it does.
Secondly, criminals commit crimes. Corrupt people take part in corruption. It is not because they joined a noble organisation that promotes rational thought, introspection, and self development (into a better person) that they do these things.
"human nature isn’t so giving, it’s a lot more selfish."
I am well aware of the shortcomings of human nature. Selfishness, aggression, cruelty, propensity to believe in woo - That is why we need to make a conscious effort to hone our intellect while growing love and tolerance in our hearts. "Be the change you want to see in the world", as they say. It is extremely difficult to change one's negative traits or even the smallest habit, but it is not impossible. Nobody else can do it for you.
I’ve seen the police being called when someone leaves the pub to drink drive home. Number plate, route home etc all provided. They are back at the bar with their car keys the next night with no issue. Because they are Masons.
Because they know a corrupt policeman, rather. I don't doubt that the same policeman's cousin or son also gets the same favours, although they are not Freemasons.
I don't doubt your story but this behaviour is not normal in the conservative branches of Freemasonry, either, where I know a lot of members. This is not how they live.