Use of published information is still always constrained by copyright law. If I had a copyrighted movie playing on my television visible through the window, and you recorded that, redistributing that recording would unambiguously be a violation of copyright law and piracy.
I’m also a little confused by what you’re saying here; are you asking whether scraper bots are illegal, or whether they’re immoral/unethical?
I’m also a little confused by what you’re saying here; are you asking whether scraper bots are illegal, or whether they’re immoral/unethical?