the possibility of just blocking your account without warning or reason - if you only have the single payment provider you are fucked.

after they did obviously the #1 priority was replacing them and making sure to have multiple providers.

did you also notice how they just deleted their github project because it contained so many comments by their angry customers?

This happened to plenty of people with Stripe as well.

Doesn't mean Paddle isn't a good place to start - but as you get bigger, you should probably look at other solutions as well, to de-risk your payments infra. It's just that at the start it's too expensive, even in B2B, to think about multiple payment providers to spread risk.