I agree, but, it’s not if someone will steal your images. It’s “when”
People assume if it’s posted on Facebook or other social media sites that images are up for grabs.
Nothing could be further from the truth.
I am not honored if someone steals my image and uses it commercially, I am VIOLATED.
I think subtle names & copyrights are necessary for all posted images. No-one can claim they don’t know who took the photograph if he names are embedded in them,