Ads on youtube are much less intrusive because you can generally skip them after a short time. I go into a twitch stream and have to watch a full 30 second ad then get hit with 4 midroll ads up to 2 minutes, I'm not sticking around. Even on ads I've skipped on youtube, I'm made aware of the product. Watching for a full 30 seconds is not going to make me more likely to buy something.
Ads on youtube are much less intrusive because you can generally skip them after a short time. I go into a twitch stream and have to watch a full 30 second ad then get hit with 4 midroll ads up to 2 minutes, I'm not sticking around. Even on ads I've skipped on youtube, I'm made aware of the product. Watching for a full 30 seconds is not going to make me more likely to buy something.