That's the reason I switched. I had an issue where a path was not mounted correctly and we blew through our limits.
Oh, on LE the Rate Limit Adjustment Request forms the contractual things (if that's what they are?) do not load: https://isrg.formstack.com/forms/rate_limit_adjustment_reque...
Hm, it's supposed to be https://letsencrypt.org/docs/integration-guide/ - but it looks like the link is broken. I'll fix it.