The EU is not able to force Threema to anything!
There is no legal way for that!
Discussion
"What is crystal clear, however, is that there will never be a Threema version that’s spying on its users in any way, shape, or form.
The reason Threema was created is to provide a highly secure, completely private, and anonymous means of communication. "
You think a company can break EU law without consequences?
"What is crystal clear, however, is that there will never be a Threema version that’s spying on its users in any way, shape, or form.
The reason Threema was created is to provide a highly secure, completely private, and anonymous means of communication."
Threema
Sure, and I hope that's the case.
Nevertheless, it remains the case that the company cannot offer its services with impunity in the EU after the law has been passed.