This was always a known risk of having alternative app stores. Think of it from the dev’s point of view, he’s also one of the founders of AltStore. Of course an exclusive app is one of the best ways to get people onboard. Just wait for the Epic, Meta, Amazon… stores next. At least AltStore has an open-source ethos behind it.

I’m not entirely sure what’s you’re trying to imply. But Bangkok is a city in Thailand.

It seems it may be because Orion on iOS has web extensions support. Which I think safari also does (partially) but uses a different framework for its on extensions. Check out Kagi’s page on Orion and web extensions.

For iOS safari, I can’t recommend vinegar enough. It replaces the YouTube player with the default html 5 player. So you get all the built in iOS features and ad blocking. There’s also the sponsor block app which works in conjunction with vinegar.