Women in Brussels 'filmed without their knowledge' by men wearing Meta smart glasses
(www.brusselstimes.com)
Recording camera in public sources are subject to the EU law. You can't install then without authorization and their use is reglemented.
I don't know if it's there case in all the EU but for example in France people need to be informed by a sign of a camera is recording the area, they can't record the entrance of private houses ...