If this lawfare belligerance is allowed to stand, pretty soon they’ll move beyond businesses - to you. Do you farm? Grow a garden? Drive a gasoline car? Heat with fuel oil or natural gas? You’re killing the planet and you must pay.
Part of the problem is company legal & PR staffs encourage a cowardly approach to these lawsuits. They need to never ever settle out-of-court, use their deeper pockets to drag it out and counter sue the organizations and people who file the suits.