Why are Iron accounts expensive?

I FINALLY REACHED SILVER YIPEEEEEEEEEEEEEEEE but it seems like getting silver might have been a bad financial decision... ngl guys still struggling with DaVinci, editing just isnt that fun on there but im not giving up. I really want to a more complex videos again, like the 2 video essays I made bc I loved working on them, but I havent had like an Idea yet where I was like hell yeah thats what I want to do #gaming #leagueoflegends #lol #twitch #streamer #league