You say that you or your employer would be sued if you did this. Going through a legal battle over some copied HTML, CSS & JavaScript is expensive, distracting and time consuming. You'd first get a cease and desist letter. Who has the time or energy to sue over this?
Getting your work pulled off the internet against your will. How would that happen? Have you heard of the pirate bay? There's no off-switch because you used someones react component.
You might not like this tool or feel it facilitates behavior you consider unethical, and I get that, but these claims you made are absurd.