My dad won't let me get Netflix and won't tell my why?

I asked my parents to get me Netflix and my dad said no. I've asked him why but he just keeps saying no. I wish he would tell me so I can take care of whatever thing is preventing me from having it. I barely ever ask my parents to buy me something but my dad still says I'm spoiled. My mom asked him about Netflix and he got very angry at her. I don't know what his deal is. I think it's just that he doesn't want to back away from that no because he's a stubborn brat. I even offered to pay for it so it's probably not the money. I'm planning to bring up the issue again and I have a bunch of other convincing tools and reasons at my disposal for them to get it. My dad will probably just scream no again and walk away. I want to know if any of you have any ideas as to why my dad won't let me have it or why he's not giving me the reason he said no. Also, what do I do if he just walks away with a no if I bring it up again without listening to me (which he probably will)?