Earlier quoted context omitted.
What kind of effect do you think that these laws could have on your use of arXiv?
Two more examples examples for arXiv and one for Figshare. (1) Article in journal has a flaw. For some reason the journal is slow or unhelpful concerning a correct version, so the author posts on arXiv a revised and perhaps much bigger version. Filters (will these be on arXiv?) detect a copyright infringement. (2) I translate an Euler article and post it on arXiv (with all attributions). Or an English translation of…
If you fear that arXiv will implement filters that will recognize that what you are uploading is a translation of an obscure Prussian research paper and block the upload, I don't think that's going to happen. (But I will be really impressed if it happens!)