Earlier quoted context omitted.
Speaking from practice in a country where unions are a traditional thing, strong unions can and will screw over a workplace. It's usually about a show of power and abusing veto ability to stay in power until the place stagnates, loses competitive status and disintegrates.
It's interesting that when this topic rears its head a common attitude comes out (although is never outright stated): * Governments are frequently corrupt and when they are they should be reformed. * Businesses are frequently corrupt and when they are they should be reformed. * Unions are frequently corrupt. They should therefore not exist. Realistically corruption is a feature of all human institutions. Unions are s…
You can't realistically abolish businesses. An economy of just individual tradesmen all working independently cant come close to the efficiency gains a large business has and just straight up lack the capacity for large scale projects and R&D. It's going to lead to the same outcome as your government being abolished and then businesses being reinstated.
Listed alongside the other two, the special thing about unions is they don't have this "you just straight up cant get rid of them and keep them gone" factor. So I think its completely reasonable for a person very concerned with corruption to take reform, reform, get rid of them stances respectively. Remove the institutions you can and fight corruption in the ones you cant.