Not everybody wants to manage some commercial grade packet filter that can handle some DDoSing script kiddie, it’s a strong argument.
But another argument against using the easiest choice, the near monopoly, is that we need a diverse, thriving ecosystem.
We don’t want to end up in a situation where suddenly Cloudflare gets to dictate what is allowed on the web.
We have already lost email to the tech giants, try running your own mail sometime. The technical aspect is easy, the problem is you will end up in so many spam folders it’s disgusting.
What we need are better decentralized protocols.
Please do try running your own mail some time. It's not nearly as hard as doomers would have you think. And if you only receive, you don't have any problems at all.
At first, you can use it for less serious stuff until you see how much it works.
I do, I host my own mail server.
Technically it's not very challenging. The problem is the total dominance of a few actors and a lot of spammers.
I haven't had spam issues since using a catch-all and giving everyone a unique address, blocking ones that receive spam
Won't work if you need a fixed address on a business card or something, but in case you don't...
Waiting for the day they catch on. Then it's time for a challenge-response protocol I guess