Former Heroku employee here: everything you list happened within the first year of acquisition. You’re correct that the lack of real integration with SFDC was

Former Heroku employee here: everything you list happened within the first year of acquisition. You’re correct that the lack of real integration with SFDC was a large part of the problem though. Though as far as SFDC acquisitions go Heroku was cheap. More expensive ones had far worse outcomes even with integration.