To be fair, you need to acknowledge that 'big business' are thugs too.CFMEU got a sweet deal during COVID, very close ties to Dan's faction. A thug union is a successful union.
That said they work closely with the master builder's cartel too. Setka is there because wealthy people want him there. If you don't like them taking bribes then gaol the Master Builder's for paying bribes.
You can't partake in a reasonable discussion about unions if you can't acknowledge that both sides demonstrate thuggish goon-like behaviour and have self-interest at heart in many cases.
Suggestions that unions are a bad thing are ludicrous to the same degree as saying that big business should be shutdown.
Both are essential in our current society, and both are full of crooks and people who would happily exploit others for their own benefit.