No permanent archives make it worse than Youtube by default.
The sound alerts and throwing shit at her can be funny when used sparingly with good comedic timing, but the chat is not very funny generally speaking so it's pretty much just spam and noise.
I also don't like the visual alerts on stream. I tried to make some webms of her 3D streams on Twitch and it's basically impossible because fucking notifications pop up over top of her. The only one I ended up making was her giving the finger, and I had to cut it shorter than I wanted to because of a bit donation alert.
The chat is obnoxious, there's way more backseating, both in games and demanding she install addons and use discord and raid my favorite streamer and other crap. There's constantly random conversations between viewers happening out in the open that is so disrespectful and never seen on Youtube outside of greynames from who knows where speaking broken English or some language I've never seen before. The mods not only don't do anything to stop it but also participate in it themselves. That annoys the shit out of me. I want to DM them to shut up next time I see them doing it but don't want to get banned.
But as annoying as the chat is, they are very supportive of her. I don't think I've seen anything actually mean or hurtful in it yet.
The mobile app sucks ass compared to Youtube, especially as a Youtube Premium chad. That will only get worse if she eventually gives into pressure and sets up those stupid emote addons.
It's motivating her to stream more though so I will endure it because I love this bitch.