Yeah I remember back in the day people stealing credit card data used to claim there is nothing to be done against them. Then warez kids on irc claiming no one can or should stop piracy. Things will eventually balance out, dont worry too much.
Piracy still hasn't been stopped, fwiw
Neither has credit card theft, from beginner to expert.
Web scraping is protected by law[1], analogous to physically taking a picture in public.
If they don't want people scraping their site, they can require an account and EULA.