Maybe they got so far thanks to the Discord approach.
When you went to the Discord, you immediately got the endless stream of great looking stuff other people were generating. This was quite powerful way to show what is possible.
I bet one challenge for getting new users engaged with these tools is that you try to generate something, get bad results, get disappointed and never come back.
That's exactly true, and having built a similar bot for friends and acquaintances to use, the effect in question is huge. It makes no sense to go for a webapp first, second or even third.
When you went to the Discord, you immediately got the endless stream of great looking stuff other people were generating. This was quite powerful way to show what is possible.
I bet one challenge for getting new users engaged with these tools is that you try to generate something, get bad results, get disappointed and never come back.