I'm sure there are plenty of terrible things they have done, but even in these area there are some things going heavily against your expectations. Zero contract hours for example underwent changes under this government 5 years ago which massively improved the position of zero hour workers by classing them as employees, not allowing them to be retained pending work unpaid and not allowing employers to stop them taking work elsewhere. None of these things were due to any EU influence and would still be allowed under EU rules.
From working within the criminal justice system I can say with some insight that the court system has not been fit for purpose for years, is an expensive burachratic mess that is accountable to noone, the changes there have been good but dont go far enough. The changes to probation have been a travesty which society will be paying for for years to come.
I come at this from someone who's profession has been ravaged in ways others have not because we are not allowed union or to strike, that has just won a legal battle (in the UK courts) to reinstate an old pension because changes were imposed on us illegally. I know there's absolute rotten things that go on, but we have certainly seen improvements in areas above EU minimum standards not driven my any protection the EU gave. These would not be sensible actions from a government trying to erode workers rights!
Zero hour contracts can be a complex subject and there are different definitions of what counts as a zero-hour contract. There can also be issues around how the data is collected which means it often isn’t completely reliable. Tony Blair actually pledged to get rid of zero-hour contracts in the 1997 election, but never did.
https://joanwalmsley.org.uk/en/arti...s-20-year-old-promise-on-zero-hours-contracts
According to the Office for National Statistics the number of people on zero hour contracts rose almost four fold between 2010-2016. There are various reasons for that, including the privatisation of the public sector. The public sector doesn’t tend to use zero-hour contracts, so when jobs like hospital cleaners get outsourced to private companies like Circo and G4S it leads to a rise in the number of people on zero-hour contacts. Alongside the rise in zero-hour contracts there has also been a big growth in the ‘gig economy’, and a rising number of unpaid internships. These are all separate issues.
ACAS (Advisory, Conciliation and Arbitration Service) is a government body for helping settle employment disputes. ACAS have said that, “The imbalance of power is a big thing that came out in our analysis of calls to our helpline from zero-hours and agency workers. Typically, if they wanted to assert a right of any kind, or challenge something, they often felt they couldn’t because they would just get less hours of work”
https://www.theguardian.com/careers...-and-fear-at-the-heart-of-zero-hour-contracts
Zero hour contracts put staff in a vulnerable position. There is a significant amount of research linking zero-hour contracts to sexual harassment, rapes, racial discrimination and other crimes. The Republic of Ireland banned zero-contacts in 2019:
https://bmmagazine.co.uk/news/union...and-end-to-injustice-of-zero-hours-contracts/
The UK is now one of a small minority of developed countries that still has zero-hour contacts. In the States it’s down to the individual states to decide, although most have got rid of them. In Canada it’s also down to the individual provinces to decide. According to the Joseph Rowntree Foundation the amount of in work poverty has almost doubled since the 90s and the rise in zero hour contracts is a key reason.
Most EU countries don’t have zero-hour contracts. To be fair Labour had plenty of time to get rid of zero-hour contracts and didn’t. But the Conservatives have really pushed the zero-hour contracts and get a lot of donations from groups who lobby against employment rights. The changes the Conservatives made are literally just lip service. They have no practical value.