It is like people who say 'those who cannot do, teach'. Hey, maybe teaching is hard work and most people suck at it?
The type of person who thinks mods are all power tripper do-badders who could be easily replaced is usually the type of person who doesn't bother reading the rules of the community before posting, or who resorts instantly to insults in disagreements, or who think it is funny to piss people off.
You bring up legitimate concerns and you're met with either stony silence, or you get called an asshole.
Have you ever worked a customer service job?
By thinking that people who deal with the public and their complaints and entitled attitude constantly are the ones who are unreasonable by default, you show a powerful ignorance about how many people act when they want something and can't immediately get it for any reason.
If a community bans you it’s the wrong community for you, it’s not a conspiracy at play, you just don’t belong.
Find the people who do share your views and go play in that sandbox.
Anyone can start a subbreddit. And in your subreddit, you can do all the work it takes to create a community, and then you can ban people for whatever reason you want and feel that tasty power that the mods love so much, and see how awesome it is to get cursed at, told how terrible you are and how much your community sucks, and how they are going to dox you and plant meth on you so that you lose custody of your children.