Jumping through hoops to access the service is not the only problem with centralized services. Here's another problem:
https://en.wikipedia.org/wiki/Government_censorship_of_Telegram_Messenger

There are almost 1000 people in the P2P marketplace group & daily listings, as well as other good Bitcoin-related channels, so it may be useful

Indeed, the worse the platform, the more users it has. I bet you can get even more people on Facebook and Discord.