Same thing in Netherland. There's constantly attempts to cut down on "schijnzelfstandigheid", which results in me having to jump through lots of hoops because I do long projects for big clients, on-site, as part of a team. But I make my own business decisions.

But when PostNL wants to fire all their mail deliverers and rehire them as independent contractors, they can. When I asked why, it turned out the main difference was that they are replaceable and I'm not: if they're unable to deliver mail at a certain day, they can get a friend to do it for them. When I'm ill, I can't send someone else to do my job.

It's a stupid rule. It's the exact reason why I have power over my work situation and they don't, yet somehow it's the reason why their situation is allowed and I constantly need to prove myself (though I haven't had any trouble so far).