The app shutting down does not automatically cost nothing. If all users move to the official app the server resources still are used but the users would at least see ads.
Realizing you can’t know everything, don’t know what you don’t know, and respecting other people can have had different experiences than you. All without judging yourself negatively for those realizations. They just are facts. No need to be hard on yourself if you put in sincere effort.
It does sound like projection. Your link comes down to depiction of “a minor”. How does one prove an image is an 18 year old, even if they are, and not 1 day younger? It’s unquestionable for children but not so clear near the age of 18. I think that is the point of the poster, that it’s really not clear on all porn what age the people are. Even with disclaimers they could be lies.
Everyone fails sometimes. Take every failure as a learning experience. Taking it personally and feeling emotions doesn’t actually help the problem - that you made a mistake and need to just learn and move on. Focus on the future, on the problem, on now, not the past. If however you make a mistake and get defensive and don’t learn anything then yeah it’s only a toxic thing on you. Learning from it helps you grow.
Masters of subjects don’t learn overnight. They learn over years, decades, a lifetime. In that time they make countless mistakes. But they persevere and don’t let it affect them emotionally and they grow into those masters.
I make mistakes daily. I’ve thrown away hundreds of thousands of lines of code in my career because it didn’t work as expected. But each time I grew a little and learned something to make the next iteration better.