I currently use TinyWall Firewall, it works very well, it’s small/portable, no complaints I even donated to the Dev but I would really prefer open source, also it needs to be user friendly like TinyWall so my non-tech family members can/will use it like they do with TinyWall.
I’m never said you were violating any rules, I was just expressing my opinion. If a person asks a question you can decide if you are going to be helpful and answer that question or make an statement regarding the irony of their question, which isn’t helpful at all.
You keep doing whatever you think it is best.