It depends. I've read some people online who were hired full remote by Amazon and are now grouped into the full RTO, and that may be illegal in the EU since yo

It depends. I've read some people online who were hired full remote by Amazon and are now grouped into the full RTO, and that may be illegal in the EU since you're changing their terms of employment without consideration. However, people hired full in-office, then who went remote, and are now RTO, it seems like there may be less grounds unless they got it in writing that they're now considered full remote. While the EU is absolutely better for employee rights/protections, it isn't absolute. It depends what you're contracted for.