Why can't I Block Horrible, stocking credit card companies use Firefox to literally stock me & I can't stop them

I had Credit card Ads before many times and I could at least block them and be able to get some peace but now they are using Firefox & Firefox is actually putting them in a place of being able to literally Stock me And message after message they use Firefox to get to me all day and night and I can't stop it it's been so brutal for me I already have been stocked by my ex boyfriend and it was so scary so horrible I have bad panic attacks and anxiety, PTSD, truly afraid and I can atleast be able to block them they get new # new w Everything by next day and I have to block them daily & sence getting Firefox I have just figured out it's Seriously @Firefox that's allowing and giving these horrible scammers & worst credit card companies saying whatever they want to mess with you on a daily bases & I just found out it's because of Firefox I can't block them and get any help they help these companies actually stock me worse then anyone or any place ever before and there supposed to be a security company to keep me safe my Google Reviews I have awards getting 100,000 views first month & awarded for people truly caring what I have to say and I can't let other wemon & victims be brutalized like I have been through the 1 company suppose to keep me safe it's heartbreaking and has effected me in such a bad way I'm scared and not okay now after what I been through in last 24 hrs even how could this be right or legal or okay at all