Can’t be a good sign financially or technically that Slack is unable to operate a 250 000 person instance.
It's win-win for them. Either they pay (they won't/can't), negotiate to pay ($$$ at least)- or they move away, all of which increase the amount of available resources for Salesforce.
does sound like it's causing issues that they don't want to deal with if it's not earning them money
> Slack, a Salesforce-owned workplace messaging app, recently blocked other software firms from searching or storing Slack messages, The Information reported on Tuesday, citing a public disclosure.
https://www.reuters.com/business/salesforce-blocks-ai-rivals...